19306625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:246

約数の個数: 24

約数和(自身を含む): 26188344

約数和(自身を除く): 6881719

約数列:

[1, 5, 13, 25, 65, 109, 125, 325, 545, 1417, 1625, 2725, 7085, 11881, 13625, 35425, 59405, 154453, 177125, 297025, 772265, 1485125, 3861325, 19306625]

約数ペア:

[(1, 19306625), (5, 3861325), (13, 1485125), (25, 772265), (65, 297025), (109, 177125), (125, 154453), (325, 59405), (545, 35425), (1417, 13625), (1625, 11881), (2725, 7085)]