18856550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19712410

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 863, 874, 950, 1150, 1726, 2185, 4315, 4370, 8630, 10925, 16397, 19849, 21575, 21850, 32794, 39698, 43150, 81985, 99245, 163970, 198490, 377131, 409925, 496225, 754262, 819850, 992450, 1885655, 3771310, 9428275, 18856550]

約数ペア:

[(1, 18856550), (2, 9428275), (5, 3771310), (10, 1885655), (19, 992450), (23, 819850), (25, 754262), (38, 496225), (46, 409925), (50, 377131), (95, 198490), (115, 163970), (190, 99245), (230, 81985), (437, 43150), (475, 39698), (575, 32794), (863, 21850), (874, 21575), (950, 19849), (1150, 16397), (1726, 10925), (2185, 8630), (4315, 4370)]