18685856

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:742

約数の個数: 72

約数和(自身を含む): 45375876

約数和(自身を除く): 26690020

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 701, 784, 833, 952, 1402, 1568, 1666, 1904, 2804, 3332, 3808, 4907, 5608, 6664, 9814, 11216, 11917, 13328, 19628, 22432, 23834, 26656, 34349, 39256, 47668, 68698, 78512, 83419, 95336, 137396, 157024, 166838, 190672, 274792, 333676, 381344, 549584, 583933, 667352, 1099168, 1167866, 1334704, 2335732, 2669408, 4671464, 9342928, 18685856]

約数ペア:

[(1, 18685856), (2, 9342928), (4, 4671464), (7, 2669408), (8, 2335732), (14, 1334704), (16, 1167866), (17, 1099168), (28, 667352), (32, 583933), (34, 549584), (49, 381344), (56, 333676), (68, 274792), (98, 190672), (112, 166838), (119, 157024), (136, 137396), (196, 95336), (224, 83419), (238, 78512), (272, 68698), (392, 47668), (476, 39256), (544, 34349), (701, 26656), (784, 23834), (833, 22432), (952, 19628), (1402, 13328), (1568, 11917), (1666, 11216), (1904, 9814), (2804, 6664), (3332, 5608), (3808, 4907)]