19940464

素因数分解:

$2^4\times {\mathrm{349}}^1\times {\mathrm{3571}}^1$

素因数の和:3928

約数の個数: 20

約数和(自身を含む): 38756200

約数和(自身を除く): 18815736

約数列:

[1, 2, 4, 8, 16, 349, 698, 1396, 2792, 3571, 5584, 7142, 14284, 28568, 57136, 1246279, 2492558, 4985116, 9970232, 19940464]

約数ペア:

[(1, 19940464), (2, 9970232), (4, 4985116), (8, 2492558), (16, 1246279), (349, 57136), (698, 28568), (1396, 14284), (2792, 7142), (3571, 5584)]