19764240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82351}}^1$

素因数の和:82367

約数の個数: 40

約数和(自身を含む): 61269888

約数和(自身を除く): 41505648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82351, 164702, 247053, 329404, 411755, 494106, 658808, 823510, 988212, 1235265, 1317616, 1647020, 1976424, 2470530, 3294040, 3952848, 4941060, 6588080, 9882120, 19764240]

約数ペア:

[(1, 19764240), (2, 9882120), (3, 6588080), (4, 4941060), (5, 3952848), (6, 3294040), (8, 2470530), (10, 1976424), (12, 1647020), (15, 1317616), (16, 1235265), (20, 988212), (24, 823510), (30, 658808), (40, 494106), (48, 411755), (60, 329404), (80, 247053), (120, 164702), (240, 82351)]