18989932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3413}}^1$

素因数の和:3537

約数の個数: 24

約数和(自身を含む): 36133776

約数和(自身を除く): 17143844

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3413, 5564, 6826, 13652, 44369, 88738, 177476, 365191, 730382, 1460764, 4747483, 9494966, 18989932]

約数ペア:

[(1, 18989932), (2, 9494966), (4, 4747483), (13, 1460764), (26, 730382), (52, 365191), (107, 177476), (214, 88738), (428, 44369), (1391, 13652), (2782, 6826), (3413, 5564)]