19372274

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2531}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 30080160

約数和(自身を除く): 10707886

約数列:

[1, 2, 43, 86, 89, 178, 2531, 3827, 5062, 7654, 108833, 217666, 225259, 450518, 9686137, 19372274]

約数ペア:

[(1, 19372274), (2, 9686137), (43, 450518), (86, 225259), (89, 217666), (178, 108833), (2531, 7654), (3827, 5062)]