19365125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 27597024

約数和(自身を除く): 8231899

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 701, 1105, 1625, 2125, 3505, 5525, 9113, 11917, 17525, 27625, 45565, 59585, 87625, 154921, 227825, 297925, 774605, 1139125, 1489625, 3873025, 19365125]

約数ペア:

[(1, 19365125), (5, 3873025), (13, 1489625), (17, 1139125), (25, 774605), (65, 297925), (85, 227825), (125, 154921), (221, 87625), (325, 59585), (425, 45565), (701, 27625), (1105, 17525), (1625, 11917), (2125, 9113), (3505, 5525)]