18585021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3583}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 32112640

約数和(自身を除く): 13527619

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3583, 5187, 10749, 25081, 46579, 68077, 75243, 139737, 204231, 326053, 476539, 885001, 978159, 1429617, 2655003, 6195007, 18585021]

約数ペア:

[(1, 18585021), (3, 6195007), (7, 2655003), (13, 1429617), (19, 978159), (21, 885001), (39, 476539), (57, 326053), (91, 204231), (133, 139737), (247, 75243), (273, 68077), (399, 46579), (741, 25081), (1729, 10749), (3583, 5187)]