18803205

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4538

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 15710715

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4493, 13479, 22465, 40437, 67395, 121311, 139283, 202185, 417849, 606555, 696415, 1253547, 2089245, 3760641, 6267735, 18803205]

約数ペア:

[(1, 18803205), (3, 6267735), (5, 3760641), (9, 2089245), (15, 1253547), (27, 696415), (31, 606555), (45, 417849), (93, 202185), (135, 139283), (155, 121311), (279, 67395), (465, 40437), (837, 22465), (1395, 13479), (4185, 4493)]