18062480

素因数分解:

$2^4\times 5^1\times {\mathrm{225781}}^1$

素因数の和:225794

約数の個数: 20

約数和(自身を含む): 41995452

約数和(自身を除く): 23932972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 225781, 451562, 903124, 1128905, 1806248, 2257810, 3612496, 4515620, 9031240, 18062480]

約数ペア:

[(1, 18062480), (2, 9031240), (4, 4515620), (5, 3612496), (8, 2257810), (10, 1806248), (16, 1128905), (20, 903124), (40, 451562), (80, 225781)]