18165007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 22220800

約数和(自身を除く): 4055793

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2239, 8113, 15673, 42541, 136579, 297787, 956053, 2595001, 18165007]

約数ペア:

[(1, 18165007), (7, 2595001), (19, 956053), (61, 297787), (133, 136579), (427, 42541), (1159, 15673), (2239, 8113)]