18747585

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1$

素因数の和:7342

約数の個数: 32

約数和(自身を含む): 35088000

約数和(自身を除く): 16340415

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7309, 21927, 36545, 65781, 109635, 138871, 197343, 328905, 416613, 694355, 986715, 1249839, 2083065, 3749517, 6249195, 18747585]

約数ペア:

[(1, 18747585), (3, 6249195), (5, 3749517), (9, 2083065), (15, 1249839), (19, 986715), (27, 694355), (45, 416613), (57, 328905), (95, 197343), (135, 138871), (171, 109635), (285, 65781), (513, 36545), (855, 21927), (2565, 7309)]