19513020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{325217}}^1$

素因数の和:325229

約数の個数: 24

約数和(自身を含む): 54636624

約数和(自身を除く): 35123604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 325217, 650434, 975651, 1300868, 1626085, 1951302, 3252170, 3902604, 4878255, 6504340, 9756510, 19513020]

約数ペア:

[(1, 19513020), (2, 9756510), (3, 6504340), (4, 4878255), (5, 3902604), (6, 3252170), (10, 1951302), (12, 1626085), (15, 1300868), (20, 975651), (30, 650434), (60, 325217)]