19991766

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{90053}}^1$

素因数の和:90095

約数の個数: 16

約数和(自身を含む): 41064624

約数和(自身を除く): 21072858

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 90053, 180106, 270159, 540318, 3331961, 6663922, 9995883, 19991766]

約数ペア:

[(1, 19991766), (2, 9995883), (3, 6663922), (6, 3331961), (37, 540318), (74, 270159), (111, 180106), (222, 90053)]