18520658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30971}}^1$

素因数の和:31009

約数の個数: 16

約数和(自身を含む): 31219776

約数和(自身を除く): 12699118

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 30971, 61942, 402623, 712333, 805246, 1424666, 9260329, 18520658]

約数ペア:

[(1, 18520658), (2, 9260329), (13, 1424666), (23, 805246), (26, 712333), (46, 402623), (299, 61942), (598, 30971)]