18108938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2381

約数の個数: 16

約数和(自身を含む): 28734720

約数和(自身を除く): 10625782

約数列:

[1, 2, 19, 38, 223, 446, 2137, 4237, 4274, 8474, 40603, 81206, 476551, 953102, 9054469, 18108938]

約数ペア:

[(1, 18108938), (2, 9054469), (19, 953102), (38, 476551), (223, 81206), (446, 40603), (2137, 8474), (4237, 4274)]