19510290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{216781}}^1$

素因数の和:216794

約数の個数: 24

約数和(自身を含む): 50726988

約数和(自身を除く): 31216698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 216781, 433562, 650343, 1083905, 1300686, 1951029, 2167810, 3251715, 3902058, 6503430, 9755145, 19510290]

約数ペア:

[(1, 19510290), (2, 9755145), (3, 6503430), (5, 3902058), (6, 3251715), (9, 2167810), (10, 1951029), (15, 1300686), (18, 1083905), (30, 650343), (45, 433562), (90, 216781)]