17920834

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1305

約数の個数: 16

約数和(自身を含む): 27515520

約数和(自身を除く): 9594686

約数列:

[1, 2, 79, 101, 158, 202, 1123, 2246, 7979, 15958, 88717, 113423, 177434, 226846, 8960417, 17920834]

約数ペア:

[(1, 17920834), (2, 8960417), (79, 226846), (101, 177434), (158, 113423), (202, 88717), (1123, 15958), (2246, 7979)]