18447663

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 27659520

約数和(自身を除く): 9211857

約数列:

[1, 3, 13, 39, 41, 83, 123, 139, 249, 417, 533, 1079, 1599, 1807, 3237, 3403, 5421, 5699, 10209, 11537, 17097, 34611, 44239, 74087, 132717, 149981, 222261, 449943, 473017, 1419051, 6149221, 18447663]

約数ペア:

[(1, 18447663), (3, 6149221), (13, 1419051), (39, 473017), (41, 449943), (83, 222261), (123, 149981), (139, 132717), (249, 74087), (417, 44239), (533, 34611), (1079, 17097), (1599, 11537), (1807, 10209), (3237, 5699), (3403, 5421)]