16717910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 48

約数和(自身を含む): 34728912

約数和(自身を除く): 18011002

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 421, 722, 842, 1045, 1805, 2090, 2105, 3610, 3971, 4210, 4631, 7942, 7999, 9262, 15998, 19855, 23155, 39710, 39995, 46310, 79990, 87989, 151981, 175978, 303962, 439945, 759905, 879890, 1519810, 1671791, 3343582, 8358955, 16717910]

約数ペア:

[(1, 16717910), (2, 8358955), (5, 3343582), (10, 1671791), (11, 1519810), (19, 879890), (22, 759905), (38, 439945), (55, 303962), (95, 175978), (110, 151981), (190, 87989), (209, 79990), (361, 46310), (418, 39995), (421, 39710), (722, 23155), (842, 19855), (1045, 15998), (1805, 9262), (2090, 7999), (2105, 7942), (3610, 4631), (3971, 4210)]