18318140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31583}}^1$

素因数の和:31621

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 21477700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 31583, 63166, 126332, 157915, 315830, 631660, 915907, 1831814, 3663628, 4579535, 9159070, 18318140]

約数ペア:

[(1, 18318140), (2, 9159070), (4, 4579535), (5, 3663628), (10, 1831814), (20, 915907), (29, 631660), (58, 315830), (116, 157915), (145, 126332), (290, 63166), (580, 31583)]