18980951248

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{83773}}^1$

素因数の和:83829

約数の個数: 90

約数和(自身を含む): 45444798006

約数和(自身を除く): 26463846758

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 289, 392, 476, 578, 784, 833, 952, 1156, 1666, 1904, 2023, 2312, 3332, 4046, 4624, 6664, 8092, 13328, 14161, 16184, 28322, 32368, 56644, 83773, 113288, 167546, 226576, 335092, 586411, 670184, 1172822, 1340368, 1424141, 2345644, 2848282, 4104877, 4691288, 5696564, 8209754, 9382576, 9968987, 11393128, 16419508, 19937974, 22786256, 24210397, 32839016, 39875948, 48420794, 65678032, 69782909, 79751896, 96841588, 139565818, 159503792, 169472779, 193683176, 279131636, 338945558, 387366352, 558263272, 677891116, 1116526544, 1186309453, 1355782232, 2372618906, 2711564464, 4745237812, 9490475624, 18980951248]

約数ペア:

[(1, 18980951248), (2, 9490475624), (4, 4745237812), (7, 2711564464), (8, 2372618906), (14, 1355782232), (16, 1186309453), (17, 1116526544), (28, 677891116), (34, 558263272), (49, 387366352), (56, 338945558), (68, 279131636), (98, 193683176), (112, 169472779), (119, 159503792), (136, 139565818), (196, 96841588), (238, 79751896), (272, 69782909), (289, 65678032), (392, 48420794), (476, 39875948), (578, 32839016), (784, 24210397), (833, 22786256), (952, 19937974), (1156, 16419508), (1666, 11393128), (1904, 9968987), (2023, 9382576), (2312, 8209754), (3332, 5696564), (4046, 4691288), (4624, 4104877), (6664, 2848282), (8092, 2345644), (13328, 1424141), (14161, 1340368), (16184, 1172822), (28322, 670184), (32368, 586411), (56644, 335092), (83773, 226576), (113288, 167546)]