18214375

素因数分解:

$5^4\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 20

約数和(自身を含む): 23030128

約数和(自身を除く): 4815753

約数列:

[1, 5, 25, 125, 151, 193, 625, 755, 965, 3775, 4825, 18875, 24125, 29143, 94375, 120625, 145715, 728575, 3642875, 18214375]

約数ペア:

[(1, 18214375), (5, 3642875), (25, 728575), (125, 145715), (151, 120625), (193, 94375), (625, 29143), (755, 24125), (965, 18875), (3775, 4825)]