209621830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1905653}}^1$

素因数の和:1905671

約数の個数: 16

約数和(自身を含む): 411621264

約数和(自身を除く): 201999434

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1905653, 3811306, 9528265, 19056530, 20962183, 41924366, 104810915, 209621830]

約数ペア:

[(1, 209621830), (2, 104810915), (5, 41924366), (10, 20962183), (11, 19056530), (22, 9528265), (55, 3811306), (110, 1905653)]