18380187

素因数分解:

$3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1747}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 30541056

約数和(自身を除く): 12160869

約数列:

[1, 3, 7, 9, 21, 63, 167, 501, 1169, 1503, 1747, 3507, 5241, 10521, 12229, 15723, 36687, 110061, 291749, 875247, 2042243, 2625741, 6126729, 18380187]

約数ペア:

[(1, 18380187), (3, 6126729), (7, 2625741), (9, 2042243), (21, 875247), (63, 291749), (167, 110061), (501, 36687), (1169, 15723), (1503, 12229), (1747, 10521), (3507, 5241)]