18346780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48281}}^1$

素因数の和:48309

約数の個数: 24

約数和(自身を含む): 40556880

約数和(自身を除く): 22210100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48281, 96562, 193124, 241405, 482810, 917339, 965620, 1834678, 3669356, 4586695, 9173390, 18346780]

約数ペア:

[(1, 18346780), (2, 9173390), (4, 4586695), (5, 3669356), (10, 1834678), (19, 965620), (20, 917339), (38, 482810), (76, 241405), (95, 193124), (190, 96562), (380, 48281)]