17980504

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{21821}}^1$

素因数の和:21930

約数の個数: 16

約数和(自身を含む): 34042320

約数和(自身を除く): 16061816

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 21821, 43642, 87284, 174568, 2247563, 4495126, 8990252, 17980504]

約数ペア:

[(1, 17980504), (2, 8990252), (4, 4495126), (8, 2247563), (103, 174568), (206, 87284), (412, 43642), (824, 21821)]