18663706

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{571}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 28622880

約数和(自身を除く): 9959174

約数列:

[1, 2, 59, 118, 277, 554, 571, 1142, 16343, 32686, 33689, 67378, 158167, 316334, 9331853, 18663706]

約数ペア:

[(1, 18663706), (2, 9331853), (59, 316334), (118, 158167), (277, 67378), (554, 33689), (571, 32686), (1142, 16343)]