2019642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9180191}}^1$

素因数の和:9180211

約数の個数: 24

約数和(自身を含む): 4626816768

約数和(自身を除く): 2607174748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9180191, 18360382, 36720764, 45900955, 91801910, 100982101, 183603820, 201964202, 403928404, 504910505, 1009821010, 2019642020]

約数ペア:

[(1, 2019642020), (2, 1009821010), (4, 504910505), (5, 403928404), (10, 201964202), (11, 183603820), (20, 100982101), (22, 91801910), (44, 45900955), (55, 36720764), (110, 18360382), (220, 9180191)]