18059209

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 21676032

約数和(自身を除く): 3616823

約数列:

[1, 7, 23, 161, 223, 503, 1561, 3521, 5129, 11569, 35903, 80983, 112169, 785183, 2579887, 18059209]

約数ペア:

[(1, 18059209), (7, 2579887), (23, 785183), (161, 112169), (223, 80983), (503, 35903), (1561, 11569), (3521, 5129)]