17939757

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3911}}^1$

素因数の和:4064

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 8348883

約数列:

[1, 3, 11, 33, 139, 417, 1529, 3911, 4587, 11733, 43021, 129063, 543629, 1630887, 5979919, 17939757]

約数ペア:

[(1, 17939757), (3, 5979919), (11, 1630887), (33, 543629), (139, 129063), (417, 43021), (1529, 11733), (3911, 4587)]