18101380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82279}}^1$

素因数の和:82299

約数の個数: 24

約数和(自身を含む): 41469120

約数和(自身を除く): 23367740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82279, 164558, 329116, 411395, 822790, 905069, 1645580, 1810138, 3620276, 4525345, 9050690, 18101380]

約数ペア:

[(1, 18101380), (2, 9050690), (4, 4525345), (5, 3620276), (10, 1810138), (11, 1645580), (20, 905069), (22, 822790), (44, 411395), (55, 329116), (110, 164558), (220, 82279)]