18287029160

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{387109}}^1$

素因数の和:388301

約数の個数: 32

約数和(自身を含む): 41180761800

約数和(自身を除く): 22893732640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 47240, 387109, 774218, 1548436, 1935545, 3096872, 3871090, 7742180, 15484360, 457175729, 914351458, 1828702916, 2285878645, 3657405832, 4571757290, 9143514580, 18287029160]

約数ペア:

[(1, 18287029160), (2, 9143514580), (4, 4571757290), (5, 3657405832), (8, 2285878645), (10, 1828702916), (20, 914351458), (40, 457175729), (1181, 15484360), (2362, 7742180), (4724, 3871090), (5905, 3096872), (9448, 1935545), (11810, 1548436), (23620, 774218), (47240, 387109)]