18880604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3499}}^1$

素因数の和:3593

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 16399396

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3499, 5396, 6998, 13996, 66481, 132962, 248429, 265924, 496858, 993716, 4720151, 9440302, 18880604]

約数ペア:

[(1, 18880604), (2, 9440302), (4, 4720151), (19, 993716), (38, 496858), (71, 265924), (76, 248429), (142, 132962), (284, 66481), (1349, 13996), (2698, 6998), (3499, 5396)]