19459960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37423}}^1$

素因数の和:37447

約数の個数: 32

約数和(自身を含む): 47154240

約数和(自身を除く): 27694280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37423, 74846, 149692, 187115, 299384, 374230, 486499, 748460, 972998, 1496920, 1945996, 2432495, 3891992, 4864990, 9729980, 19459960]

約数ペア:

[(1, 19459960), (2, 9729980), (4, 4864990), (5, 3891992), (8, 2432495), (10, 1945996), (13, 1496920), (20, 972998), (26, 748460), (40, 486499), (52, 374230), (65, 299384), (104, 187115), (130, 149692), (260, 74846), (520, 37423)]