18219195

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7103}}^1$

素因数の和:7136

約数の個数: 32

約数和(自身を含む): 34099200

約数和(自身を除く): 15880005

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 7103, 21309, 35515, 63927, 106545, 134957, 191781, 319635, 404871, 674785, 958905, 1214613, 2024355, 3643839, 6073065, 18219195]

約数ペア:

[(1, 18219195), (3, 6073065), (5, 3643839), (9, 2024355), (15, 1214613), (19, 958905), (27, 674785), (45, 404871), (57, 319635), (95, 191781), (135, 134957), (171, 106545), (285, 63927), (513, 35515), (855, 21309), (2565, 7103)]