18793940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85427}}^1$

素因数の和:85447

約数の個数: 24

約数和(自身を含む): 43055712

約数和(自身を除く): 24261772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85427, 170854, 341708, 427135, 854270, 939697, 1708540, 1879394, 3758788, 4698485, 9396970, 18793940]

約数ペア:

[(1, 18793940), (2, 9396970), (4, 4698485), (5, 3758788), (10, 1879394), (11, 1708540), (20, 939697), (22, 854270), (44, 427135), (55, 341708), (110, 170854), (220, 85427)]