18928321

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 16

約数和(自身を含む): 20275200

約数和(自身を除く): 1346879

約数列:

[1, 31, 59, 79, 131, 1829, 2449, 4061, 4661, 7729, 10349, 144491, 239599, 320819, 610591, 18928321]

約数ペア:

[(1, 18928321), (31, 610591), (59, 320819), (79, 239599), (131, 144491), (1829, 10349), (2449, 7729), (4061, 4661)]