218013676

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{150979}}^1$

素因数の和:151021

約数の個数: 18

約数和(自身を含む): 402663660

約数和(自身を除く): 184649984

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 150979, 301958, 603916, 2868601, 5737202, 11474404, 54503419, 109006838, 218013676]

約数ペア:

[(1, 218013676), (2, 109006838), (4, 54503419), (19, 11474404), (38, 5737202), (76, 2868601), (361, 603916), (722, 301958), (1444, 150979)]