18704119

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 21888000

約数和(自身を除く): 3183881

約数列:

[1, 7, 79, 149, 227, 553, 1043, 1589, 11771, 17933, 33823, 82397, 125531, 236761, 2672017, 18704119]

約数ペア:

[(1, 18704119), (7, 2672017), (79, 236761), (149, 125531), (227, 82397), (553, 33823), (1043, 17933), (1589, 11771)]