19500813

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 29191448

約数和(自身を除く): 9690635

約数列:

[1, 3, 9, 37, 111, 157, 333, 373, 471, 1119, 1413, 3357, 5809, 13801, 17427, 41403, 52281, 58561, 124209, 175683, 527049, 2166757, 6500271, 19500813]

約数ペア:

[(1, 19500813), (3, 6500271), (9, 2166757), (37, 527049), (111, 175683), (157, 124209), (333, 58561), (373, 52281), (471, 41403), (1119, 17427), (1413, 13801), (3357, 5809)]