19651875

素因数分解:

$3^1\times 5^4\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 33589248

約数和(自身を除く): 13937373

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 141, 223, 235, 375, 625, 669, 705, 1115, 1175, 1875, 3345, 3525, 5575, 5875, 10481, 16725, 17625, 27875, 29375, 31443, 52405, 83625, 88125, 139375, 157215, 262025, 418125, 786075, 1310125, 3930375, 6550625, 19651875]

約数ペア:

[(1, 19651875), (3, 6550625), (5, 3930375), (15, 1310125), (25, 786075), (47, 418125), (75, 262025), (125, 157215), (141, 139375), (223, 88125), (235, 83625), (375, 52405), (625, 31443), (669, 29375), (705, 27875), (1115, 17625), (1175, 16725), (1875, 10481), (3345, 5875), (3525, 5575)]