18490040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24329}}^1$

素因数の和:24359

約数の個数: 32

約数和(自身を含む): 43794000

約数和(自身を除く): 25303960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24329, 48658, 97316, 121645, 194632, 243290, 462251, 486580, 924502, 973160, 1849004, 2311255, 3698008, 4622510, 9245020, 18490040]

約数ペア:

[(1, 18490040), (2, 9245020), (4, 4622510), (5, 3698008), (8, 2311255), (10, 1849004), (19, 973160), (20, 924502), (38, 486580), (40, 462251), (76, 243290), (95, 194632), (152, 121645), (190, 97316), (380, 48658), (760, 24329)]