68619184

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{225721}}^1$

素因数の和:225748

約数の個数: 20

約数和(自身を含む): 139947640

約数和(自身を除く): 71328456

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 225721, 451442, 902884, 1805768, 3611536, 4288699, 8577398, 17154796, 34309592, 68619184]

約数ペア:

[(1, 68619184), (2, 34309592), (4, 17154796), (8, 8577398), (16, 4288699), (19, 3611536), (38, 1805768), (76, 902884), (152, 451442), (304, 225721)]