19883790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220931}}^1$

素因数の和:220944

約数の個数: 24

約数和(自身を含む): 51698088

約数和(自身を除く): 31814298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220931, 441862, 662793, 1104655, 1325586, 1988379, 2209310, 3313965, 3976758, 6627930, 9941895, 19883790]

約数ペア:

[(1, 19883790), (2, 9941895), (3, 6627930), (5, 3976758), (6, 3313965), (9, 2209310), (10, 1988379), (15, 1325586), (18, 1104655), (30, 662793), (45, 441862), (90, 220931)]