19211812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 35532000

約数和(自身を除く): 16320188

約数列:

[1, 2, 4, 19, 38, 76, 449, 563, 898, 1126, 1796, 2252, 8531, 10697, 17062, 21394, 34124, 42788, 252787, 505574, 1011148, 4802953, 9605906, 19211812]

約数ペア:

[(1, 19211812), (2, 9605906), (4, 4802953), (19, 1011148), (38, 505574), (76, 252787), (449, 42788), (563, 34124), (898, 21394), (1126, 17062), (1796, 10697), (2252, 8531)]