19756770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 57231360

約数和(自身を除く): 37474590

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 23, 30, 33, 38, 46, 55, 57, 66, 69, 95, 110, 114, 115, 137, 138, 165, 190, 209, 230, 253, 274, 285, 330, 345, 411, 418, 437, 506, 570, 627, 685, 690, 759, 822, 874, 1045, 1254, 1265, 1311, 1370, 1507, 1518, 2055, 2090, 2185, 2530, 2603, 2622, 3014, 3135, 3151, 3795, 4110, 4370, 4521, 4807, 5206, 6270, 6302, 6555, 7535, 7590, 7809, 9042, 9453, 9614, 13015, 13110, 14421, 15070, 15618, 15755, 18906, 22605, 24035, 26030, 28633, 28842, 31510, 34661, 39045, 45210, 47265, 48070, 57266, 59869, 69322, 72105, 78090, 85899, 94530, 103983, 119738, 143165, 144210, 171798, 173305, 179607, 207966, 286330, 299345, 346610, 359214, 429495, 519915, 598690, 658559, 858990, 898035, 1039830, 1317118, 1796070, 1975677, 3292795, 3951354, 6585590, 9878385, 19756770]

約数ペア:

[(1, 19756770), (2, 9878385), (3, 6585590), (5, 3951354), (6, 3292795), (10, 1975677), (11, 1796070), (15, 1317118), (19, 1039830), (22, 898035), (23, 858990), (30, 658559), (33, 598690), (38, 519915), (46, 429495), (55, 359214), (57, 346610), (66, 299345), (69, 286330), (95, 207966), (110, 179607), (114, 173305), (115, 171798), (137, 144210), (138, 143165), (165, 119738), (190, 103983), (209, 94530), (230, 85899), (253, 78090), (274, 72105), (285, 69322), (330, 59869), (345, 57266), (411, 48070), (418, 47265), (437, 45210), (506, 39045), (570, 34661), (627, 31510), (685, 28842), (690, 28633), (759, 26030), (822, 24035), (874, 22605), (1045, 18906), (1254, 15755), (1265, 15618), (1311, 15070), (1370, 14421), (1507, 13110), (1518, 13015), (2055, 9614), (2090, 9453), (2185, 9042), (2530, 7809), (2603, 7590), (2622, 7535), (3014, 6555), (3135, 6302), (3151, 6270), (3795, 5206), (4110, 4807), (4370, 4521)]