18880654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31573}}^1$

素因数の和:31611

約数の個数: 16

約数和(自身を含む): 31826592

約数和(自身を除く): 12945938

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 31573, 63146, 410449, 726179, 820898, 1452358, 9440327, 18880654]

約数ペア:

[(1, 18880654), (2, 9440327), (13, 1452358), (23, 820898), (26, 726179), (46, 410449), (299, 63146), (598, 31573)]