19639672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188843}}^1$

素因数の和:188862

約数の個数: 16

約数和(自身を含む): 39657240

約数和(自身を除く): 20017568

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188843, 377686, 755372, 1510744, 2454959, 4909918, 9819836, 19639672]

約数ペア:

[(1, 19639672), (2, 9819836), (4, 4909918), (8, 2454959), (13, 1510744), (26, 755372), (52, 377686), (104, 188843)]