18419398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{28513}}^1$

素因数の和:28551

約数の個数: 16

約数和(自身を含む): 30795120

約数和(自身を除く): 12375722

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 28513, 57026, 484721, 541747, 969442, 1083494, 9209699, 18419398]

約数ペア:

[(1, 18419398), (2, 9209699), (17, 1083494), (19, 969442), (34, 541747), (38, 484721), (323, 57026), (646, 28513)]