18909699

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 25656960

約数和(自身を除く): 6747261

約数列:

[1, 3, 137, 139, 331, 411, 417, 993, 19043, 45347, 46009, 57129, 136041, 138027, 6303233, 18909699]

約数ペア:

[(1, 18909699), (3, 6303233), (137, 138027), (139, 136041), (331, 57129), (411, 46009), (417, 45347), (993, 19043)]