19663930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13751}}^1$

素因数の和:13782

約数の個数: 32

約数和(自身を含む): 41586048

約数和(自身を除く): 21922118

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13751, 27502, 68755, 137510, 151261, 178763, 302522, 357526, 756305, 893815, 1512610, 1787630, 1966393, 3932786, 9831965, 19663930]

約数ペア:

[(1, 19663930), (2, 9831965), (5, 3932786), (10, 1966393), (11, 1787630), (13, 1512610), (22, 893815), (26, 756305), (55, 357526), (65, 302522), (110, 178763), (130, 151261), (143, 137510), (286, 68755), (715, 27502), (1430, 13751)]