18874369

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 20651328

約数和(自身を除く): 1776959

約数列:

[1, 17, 67, 73, 227, 1139, 1241, 3859, 4891, 15209, 16571, 83147, 258553, 281707, 1110257, 18874369]

約数ペア:

[(1, 18874369), (17, 1110257), (67, 281707), (73, 258553), (227, 83147), (1139, 16571), (1241, 15209), (3859, 4891)]