18706255905

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1\times {\mathrm{14431}}^1$

素因数の和:15381

約数の個数: 32

約数和(自身を含む): 30258708480

約数和(自身を除く): 11552452575

約数列:

[1, 3, 5, 15, 103, 309, 515, 839, 1545, 2517, 4195, 12585, 14431, 43293, 72155, 86417, 216465, 259251, 432085, 1296255, 1486393, 4459179, 7431965, 12107609, 22295895, 36322827, 60538045, 181614135, 1247083727, 3741251181, 6235418635, 18706255905]

約数ペア:

[(1, 18706255905), (3, 6235418635), (5, 3741251181), (15, 1247083727), (103, 181614135), (309, 60538045), (515, 36322827), (839, 22295895), (1545, 12107609), (2517, 7431965), (4195, 4459179), (12585, 1486393), (14431, 1296255), (43293, 432085), (72155, 259251), (86417, 216465)]