18643586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23131}}^1$

素因数の和:23177

約数の個数: 16

約数和(自身を含む): 31089408

約数和(自身を除く): 12445822

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23131, 46262, 300703, 601406, 717061, 1434122, 9321793, 18643586]

約数ペア:

[(1, 18643586), (2, 9321793), (13, 1434122), (26, 717061), (31, 601406), (62, 300703), (403, 46262), (806, 23131)]