1809278172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 216

約数和(自身を含む): 5237301888

約数和(自身を除く): 3428023716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 53, 62, 78, 93, 106, 117, 124, 156, 159, 169, 181, 186, 212, 234, 279, 318, 338, 362, 372, 403, 468, 477, 507, 543, 558, 636, 676, 689, 724, 806, 954, 1014, 1086, 1116, 1209, 1378, 1521, 1612, 1629, 1643, 1908, 2028, 2067, 2172, 2353, 2418, 2756, 3042, 3258, 3286, 3627, 4134, 4706, 4836, 4929, 5239, 5611, 6084, 6201, 6516, 6572, 7059, 7254, 8268, 8957, 9412, 9593, 9858, 10478, 11222, 12402, 14118, 14508, 14787, 15717, 16833, 17914, 19186, 19716, 20956, 21177, 21359, 22444, 24804, 26871, 28236, 28779, 29574, 30589, 31434, 33666, 35828, 38372, 42354, 42718, 47151, 50499, 53742, 57558, 59148, 61178, 62868, 64077, 67332, 72943, 80613, 84708, 85436, 86337, 91767, 94302, 100998, 107484, 115116, 122356, 124709, 128154, 145886, 161226, 172674, 183534, 188604, 192231, 201996, 218829, 249418, 256308, 275301, 277667, 291772, 297383, 322452, 345348, 367068, 374127, 384462, 437658, 498836, 550602, 555334, 594766, 656487, 748254, 768924, 833001, 875316, 892149, 948259, 1101204, 1110668, 1122381, 1189532, 1312974, 1496508, 1621217, 1666002, 1784298, 1896518, 2244762, 2499003, 2625948, 2676447, 2844777, 3242434, 3332004, 3568596, 3793036, 3865979, 4489524, 4863651, 4998006, 5352894, 5689554, 6484868, 7731958, 8534331, 9727302, 9996012, 10705788, 11379108, 11597937, 14590953, 15463916, 17068662, 19454604, 23195874, 29181906, 34137324, 34793811, 46391748, 50257727, 58363812, 69587622, 100515454, 139175244, 150773181, 201030908, 301546362, 452319543, 603092724, 904639086, 1809278172]

約数ペア:

[(1, 1809278172), (2, 904639086), (3, 603092724), (4, 452319543), (6, 301546362), (9, 201030908), (12, 150773181), (13, 139175244), (18, 100515454), (26, 69587622), (31, 58363812), (36, 50257727), (39, 46391748), (52, 34793811), (53, 34137324), (62, 29181906), (78, 23195874), (93, 19454604), (106, 17068662), (117, 15463916), (124, 14590953), (156, 11597937), (159, 11379108), (169, 10705788), (181, 9996012), (186, 9727302), (212, 8534331), (234, 7731958), (279, 6484868), (318, 5689554), (338, 5352894), (362, 4998006), (372, 4863651), (403, 4489524), (468, 3865979), (477, 3793036), (507, 3568596), (543, 3332004), (558, 3242434), (636, 2844777), (676, 2676447), (689, 2625948), (724, 2499003), (806, 2244762), (954, 1896518), (1014, 1784298), (1086, 1666002), (1116, 1621217), (1209, 1496508), (1378, 1312974), (1521, 1189532), (1612, 1122381), (1629, 1110668), (1643, 1101204), (1908, 948259), (2028, 892149), (2067, 875316), (2172, 833001), (2353, 768924), (2418, 748254), (2756, 656487), (3042, 594766), (3258, 555334), (3286, 550602), (3627, 498836), (4134, 437658), (4706, 384462), (4836, 374127), (4929, 367068), (5239, 345348), (5611, 322452), (6084, 297383), (6201, 291772), (6516, 277667), (6572, 275301), (7059, 256308), (7254, 249418), (8268, 218829), (8957, 201996), (9412, 192231), (9593, 188604), (9858, 183534), (10478, 172674), (11222, 161226), (12402, 145886), (14118, 128154), (14508, 124709), (14787, 122356), (15717, 115116), (16833, 107484), (17914, 100998), (19186, 94302), (19716, 91767), (20956, 86337), (21177, 85436), (21359, 84708), (22444, 80613), (24804, 72943), (26871, 67332), (28236, 64077), (28779, 62868), (29574, 61178), (30589, 59148), (31434, 57558), (33666, 53742), (35828, 50499), (38372, 47151), (42354, 42718)]