18728804

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{52609}}^1$

素因数の和:52702

約数の個数: 12

約数和(自身を含む): 33144300

約数和(自身を除く): 14415496

約数列:

[1, 2, 4, 89, 178, 356, 52609, 105218, 210436, 4682201, 9364402, 18728804]

約数ペア:

[(1, 18728804), (2, 9364402), (4, 4682201), (89, 210436), (178, 105218), (356, 52609)]