18735444

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:99

約数の個数: 216

約数和(自身を含む): 63903840

約数和(自身を除く): 45168396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 43, 49, 52, 57, 63, 76, 78, 84, 86, 91, 98, 114, 117, 126, 129, 133, 147, 156, 171, 172, 182, 196, 228, 234, 247, 252, 258, 266, 273, 294, 301, 342, 364, 387, 399, 441, 468, 494, 516, 532, 546, 559, 588, 602, 637, 684, 741, 774, 798, 817, 819, 882, 903, 931, 988, 1092, 1118, 1197, 1204, 1274, 1482, 1548, 1596, 1634, 1638, 1677, 1729, 1764, 1806, 1862, 1911, 2107, 2223, 2236, 2394, 2451, 2548, 2709, 2793, 2964, 3268, 3276, 3354, 3458, 3612, 3724, 3822, 3913, 4214, 4446, 4788, 4902, 5031, 5187, 5418, 5586, 5719, 5733, 6321, 6708, 6916, 7353, 7644, 7826, 8379, 8428, 8892, 9804, 10062, 10374, 10621, 10836, 11172, 11438, 11466, 11739, 12103, 12642, 14706, 15561, 15652, 16758, 17157, 18963, 20124, 20748, 21242, 22876, 22932, 23478, 24206, 25284, 27391, 29412, 31122, 31863, 33516, 34314, 35217, 36309, 37926, 40033, 42484, 46956, 48412, 51471, 54782, 62244, 63726, 68628, 70434, 72618, 74347, 75852, 80066, 82173, 95589, 102942, 108927, 109564, 120099, 127452, 140868, 145236, 148694, 160132, 164346, 191178, 205884, 217854, 223041, 240198, 246519, 297388, 328692, 360297, 382356, 435708, 446082, 480396, 493038, 520429, 669123, 720594, 892164, 986076, 1040858, 1338246, 1441188, 1561287, 2081716, 2676492, 3122574, 4683861, 6245148, 9367722, 18735444]

約数ペア:

[(1, 18735444), (2, 9367722), (3, 6245148), (4, 4683861), (6, 3122574), (7, 2676492), (9, 2081716), (12, 1561287), (13, 1441188), (14, 1338246), (18, 1040858), (19, 986076), (21, 892164), (26, 720594), (28, 669123), (36, 520429), (38, 493038), (39, 480396), (42, 446082), (43, 435708), (49, 382356), (52, 360297), (57, 328692), (63, 297388), (76, 246519), (78, 240198), (84, 223041), (86, 217854), (91, 205884), (98, 191178), (114, 164346), (117, 160132), (126, 148694), (129, 145236), (133, 140868), (147, 127452), (156, 120099), (171, 109564), (172, 108927), (182, 102942), (196, 95589), (228, 82173), (234, 80066), (247, 75852), (252, 74347), (258, 72618), (266, 70434), (273, 68628), (294, 63726), (301, 62244), (342, 54782), (364, 51471), (387, 48412), (399, 46956), (441, 42484), (468, 40033), (494, 37926), (516, 36309), (532, 35217), (546, 34314), (559, 33516), (588, 31863), (602, 31122), (637, 29412), (684, 27391), (741, 25284), (774, 24206), (798, 23478), (817, 22932), (819, 22876), (882, 21242), (903, 20748), (931, 20124), (988, 18963), (1092, 17157), (1118, 16758), (1197, 15652), (1204, 15561), (1274, 14706), (1482, 12642), (1548, 12103), (1596, 11739), (1634, 11466), (1638, 11438), (1677, 11172), (1729, 10836), (1764, 10621), (1806, 10374), (1862, 10062), (1911, 9804), (2107, 8892), (2223, 8428), (2236, 8379), (2394, 7826), (2451, 7644), (2548, 7353), (2709, 6916), (2793, 6708), (2964, 6321), (3268, 5733), (3276, 5719), (3354, 5586), (3458, 5418), (3612, 5187), (3724, 5031), (3822, 4902), (3913, 4788), (4214, 4446)]