18126820

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1327}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 38150784

約数和(自身を除く): 20023964

約数列:

[1, 2, 4, 5, 10, 20, 683, 1327, 1366, 2654, 2732, 3415, 5308, 6635, 6830, 13270, 13660, 26540, 906341, 1812682, 3625364, 4531705, 9063410, 18126820]

約数ペア:

[(1, 18126820), (2, 9063410), (4, 4531705), (5, 3625364), (10, 1812682), (20, 906341), (683, 26540), (1327, 13660), (1366, 13270), (2654, 6830), (2732, 6635), (3415, 5308)]