19506875

素因数分解:

$5^4\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 30

約数和(自身を含む): 25913580

約数和(自身を除く): 6406705

約数列:

[1, 5, 23, 25, 59, 115, 125, 295, 529, 575, 625, 1357, 1475, 2645, 2875, 6785, 7375, 13225, 14375, 31211, 33925, 36875, 66125, 156055, 169625, 330625, 780275, 848125, 3901375, 19506875]

約数ペア:

[(1, 19506875), (5, 3901375), (23, 848125), (25, 780275), (59, 330625), (115, 169625), (125, 156055), (295, 66125), (529, 36875), (575, 33925), (625, 31211), (1357, 14375), (1475, 13225), (2645, 7375), (2875, 6785)]