19561372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2269

約数の個数: 24

約数和(自身を含む): 35837312

約数和(自身を除く): 16275940

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2161, 2263, 4322, 4526, 8644, 9052, 66991, 133982, 157753, 267964, 315506, 631012, 4890343, 9780686, 19561372]

約数ペア:

[(1, 19561372), (2, 9780686), (4, 4890343), (31, 631012), (62, 315506), (73, 267964), (124, 157753), (146, 133982), (292, 66991), (2161, 9052), (2263, 8644), (4322, 4526)]