221882608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{729877}}^1$

素因数の和:729904

約数の個数: 20

約数和(自身を含む): 452524360

約数和(自身を除く): 230641752

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 729877, 1459754, 2919508, 5839016, 11678032, 13867663, 27735326, 55470652, 110941304, 221882608]

約数ペア:

[(1, 221882608), (2, 110941304), (4, 55470652), (8, 27735326), (16, 13867663), (19, 11678032), (38, 5839016), (76, 2919508), (152, 1459754), (304, 729877)]