15661168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51517}}^1$

素因数の和:51544

約数の個数: 20

約数和(自身を含む): 31941160

約数和(自身を除く): 16279992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51517, 103034, 206068, 412136, 824272, 978823, 1957646, 3915292, 7830584, 15661168]

約数ペア:

[(1, 15661168), (2, 7830584), (4, 3915292), (8, 1957646), (16, 978823), (19, 824272), (38, 412136), (76, 206068), (152, 103034), (304, 51517)]