18265260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23417}}^1$

素因数の和:23442

約数の個数: 48

約数和(自身を含む): 55079136

約数和(自身を除く): 36813876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23417, 46834, 70251, 93668, 117085, 140502, 234170, 281004, 304421, 351255, 468340, 608842, 702510, 913263, 1217684, 1405020, 1522105, 1826526, 3044210, 3653052, 4566315, 6088420, 9132630, 18265260]

約数ペア:

[(1, 18265260), (2, 9132630), (3, 6088420), (4, 4566315), (5, 3653052), (6, 3044210), (10, 1826526), (12, 1522105), (13, 1405020), (15, 1217684), (20, 913263), (26, 702510), (30, 608842), (39, 468340), (52, 351255), (60, 304421), (65, 281004), (78, 234170), (130, 140502), (156, 117085), (195, 93668), (260, 70251), (390, 46834), (780, 23417)]