19250075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 26154576

約数和(自身を除く): 6904501

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 971, 1525, 3965, 4855, 12623, 19825, 24275, 59231, 63115, 296155, 315575, 770003, 1480775, 3850015, 19250075]

約数ペア:

[(1, 19250075), (5, 3850015), (13, 1480775), (25, 770003), (61, 315575), (65, 296155), (305, 63115), (325, 59231), (793, 24275), (971, 19825), (1525, 12623), (3965, 4855)]