19626438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251621}}^1$

素因数の和:251639

約数の個数: 16

約数和(自身を含む): 42272496

約数和(自身を除く): 22646058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 251621, 503242, 754863, 1509726, 3271073, 6542146, 9813219, 19626438]

約数ペア:

[(1, 19626438), (2, 9813219), (3, 6542146), (6, 3271073), (13, 1509726), (26, 754863), (39, 503242), (78, 251621)]