19313125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2377}}^1$

素因数の和:2410

約数の個数: 20

約数和(自身を含む): 26001052

約数和(自身を除く): 6687927

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2377, 8125, 11885, 30901, 59425, 154505, 297125, 772525, 1485625, 3862625, 19313125]

約数ペア:

[(1, 19313125), (5, 3862625), (13, 1485625), (25, 772525), (65, 297125), (125, 154505), (325, 59425), (625, 30901), (1625, 11885), (2377, 8125)]