18642043

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 3421061

約数列:

[1, 7, 37, 167, 259, 431, 1169, 3017, 6179, 15947, 43253, 71977, 111629, 503839, 2663149, 18642043]

約数ペア:

[(1, 18642043), (7, 2663149), (37, 503839), (167, 111629), (259, 71977), (431, 43253), (1169, 15947), (3017, 6179)]