18778580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40823}}^1$

素因数の和:40855

約数の個数: 24

約数和(自身を含む): 41150592

約数和(自身を除く): 22372012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40823, 81646, 163292, 204115, 408230, 816460, 938929, 1877858, 3755716, 4694645, 9389290, 18778580]

約数ペア:

[(1, 18778580), (2, 9389290), (4, 4694645), (5, 3755716), (10, 1877858), (20, 938929), (23, 816460), (46, 408230), (92, 204115), (115, 163292), (230, 81646), (460, 40823)]