18879565892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2039}}^1\times {\mathrm{210437}}^1$

素因数の和:212491

約数の個数: 24

約数和(自身を含む): 36060655680

約数和(自身を除く): 17181089788

約数列:

[1, 2, 4, 11, 22, 44, 2039, 4078, 8156, 22429, 44858, 89716, 210437, 420874, 841748, 2314807, 4629614, 9259228, 429081043, 858162086, 1716324172, 4719891473, 9439782946, 18879565892]

約数ペア:

[(1, 18879565892), (2, 9439782946), (4, 4719891473), (11, 1716324172), (22, 858162086), (44, 429081043), (2039, 9259228), (4078, 4629614), (8156, 2314807), (22429, 841748), (44858, 420874), (89716, 210437)]