19413018

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7759}}^1$

素因数の和:7906

約数の個数: 24

約数和(自身を含む): 42369600

約数和(自身を除く): 22956582

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7759, 15518, 23277, 46554, 69831, 139662, 1078501, 2157002, 3235503, 6471006, 9706509, 19413018]

約数ペア:

[(1, 19413018), (2, 9706509), (3, 6471006), (6, 3235503), (9, 2157002), (18, 1078501), (139, 139662), (278, 69831), (417, 46554), (834, 23277), (1251, 15518), (2502, 7759)]