18696470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:106

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 20373610

約数列:

[1, 2, 5, 10, 13, 23, 26, 37, 46, 65, 74, 115, 130, 169, 185, 230, 299, 338, 370, 481, 598, 845, 851, 962, 1495, 1690, 1702, 2197, 2405, 2990, 3887, 4255, 4394, 4810, 6253, 7774, 8510, 10985, 11063, 12506, 19435, 21970, 22126, 31265, 38870, 50531, 55315, 62530, 81289, 101062, 110630, 143819, 162578, 252655, 287638, 406445, 505310, 719095, 812890, 1438190, 1869647, 3739294, 9348235, 18696470]

約数ペア:

[(1, 18696470), (2, 9348235), (5, 3739294), (10, 1869647), (13, 1438190), (23, 812890), (26, 719095), (37, 505310), (46, 406445), (65, 287638), (74, 252655), (115, 162578), (130, 143819), (169, 110630), (185, 101062), (230, 81289), (299, 62530), (338, 55315), (370, 50531), (481, 38870), (598, 31265), (845, 22126), (851, 21970), (962, 19435), (1495, 12506), (1690, 11063), (1702, 10985), (2197, 8510), (2405, 7774), (2990, 6253), (3887, 4810), (4255, 4394)]