2018048780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9172949}}^1$

素因数の和:9172969

約数の個数: 24

約数和(自身を含む): 4623166800

約数和(自身を除く): 2605118020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9172949, 18345898, 36691796, 45864745, 91729490, 100902439, 183458980, 201804878, 403609756, 504512195, 1009024390, 2018048780]

約数ペア:

[(1, 2018048780), (2, 1009024390), (4, 504512195), (5, 403609756), (10, 201804878), (11, 183458980), (20, 100902439), (22, 91729490), (44, 45864745), (55, 36691796), (110, 18345898), (220, 9172949)]