18761210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{521}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 36569232

約数和(自身を除く): 17808022

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 521, 554, 1042, 1385, 2605, 2770, 3601, 5210, 6773, 7202, 13546, 18005, 33865, 36010, 67730, 144317, 288634, 721585, 1443170, 1876121, 3752242, 9380605, 18761210]

約数ペア:

[(1, 18761210), (2, 9380605), (5, 3752242), (10, 1876121), (13, 1443170), (26, 721585), (65, 288634), (130, 144317), (277, 67730), (521, 36010), (554, 33865), (1042, 18005), (1385, 13546), (2605, 7202), (2770, 6773), (3601, 5210)]