18512440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15959}}^1$

素因数の和:15999

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 24579560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15959, 31918, 63836, 79795, 127672, 159590, 319180, 462811, 638360, 925622, 1851244, 2314055, 3702488, 4628110, 9256220, 18512440]

約数ペア:

[(1, 18512440), (2, 9256220), (4, 4628110), (5, 3702488), (8, 2314055), (10, 1851244), (20, 925622), (29, 638360), (40, 462811), (58, 319180), (116, 159590), (145, 127672), (232, 79795), (290, 63836), (580, 31918), (1160, 15959)]