19384625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 26557440

約数和(自身を除く): 7172815

約数列:

[1, 5, 13, 25, 65, 79, 125, 151, 325, 395, 755, 1027, 1625, 1963, 1975, 3775, 5135, 9815, 9875, 11929, 18875, 25675, 49075, 59645, 128375, 155077, 245375, 298225, 775385, 1491125, 3876925, 19384625]

約数ペア:

[(1, 19384625), (5, 3876925), (13, 1491125), (25, 775385), (65, 298225), (79, 245375), (125, 155077), (151, 128375), (325, 59645), (395, 49075), (755, 25675), (1027, 18875), (1625, 11929), (1963, 9875), (1975, 9815), (3775, 5135)]