20191986

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{3607}}^1$

素因数の和:3926

約数の個数: 24

約数和(自身を含む): 43902144

約数和(自身を除く): 23710158

約数列:

[1, 2, 3, 6, 9, 18, 311, 622, 933, 1866, 2799, 3607, 5598, 7214, 10821, 21642, 32463, 64926, 1121777, 2243554, 3365331, 6730662, 10095993, 20191986]

約数ペア:

[(1, 20191986), (2, 10095993), (3, 6730662), (6, 3365331), (9, 2243554), (18, 1121777), (311, 64926), (622, 32463), (933, 21642), (1866, 10821), (2799, 7214), (3607, 5598)]