18310480

素因数分解:

$2^4\times 5^1\times {\mathrm{228881}}^1$

素因数の和:228894

約数の個数: 20

約数和(自身を含む): 42572052

約数和(自身を除く): 24261572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228881, 457762, 915524, 1144405, 1831048, 2288810, 3662096, 4577620, 9155240, 18310480]

約数ペア:

[(1, 18310480), (2, 9155240), (4, 4577620), (5, 3662096), (8, 2288810), (10, 1831048), (16, 1144405), (20, 915524), (40, 457762), (80, 228881)]