18658140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{310969}}^1$

素因数の和:310981

約数の個数: 24

約数和(自身を含む): 52242960

約数和(自身を除く): 33584820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 310969, 621938, 932907, 1243876, 1554845, 1865814, 3109690, 3731628, 4664535, 6219380, 9329070, 18658140]

約数ペア:

[(1, 18658140), (2, 9329070), (3, 6219380), (4, 4664535), (5, 3731628), (6, 3109690), (10, 1865814), (12, 1554845), (15, 1243876), (20, 932907), (30, 621938), (60, 310969)]