2018454140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1133963}}^1$

素因数の和:1134061

約数の個数: 24

約数和(自身を含む): 4286383920

約数和(自身を除く): 2267929780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 1133963, 2267926, 4535852, 5669815, 11339630, 22679260, 100922707, 201845414, 403690828, 504613535, 1009227070, 2018454140]

約数ペア:

[(1, 2018454140), (2, 1009227070), (4, 504613535), (5, 403690828), (10, 201845414), (20, 100922707), (89, 22679260), (178, 11339630), (356, 5669815), (445, 4535852), (890, 2267926), (1780, 1133963)]