19897424

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{14983}}^1$

素因数の和:15074

約数の個数: 20

約数和(自身を含む): 39018336

約数和(自身を除く): 19120912

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 14983, 29966, 59932, 119864, 239728, 1243589, 2487178, 4974356, 9948712, 19897424]

約数ペア:

[(1, 19897424), (2, 9948712), (4, 4974356), (8, 2487178), (16, 1243589), (83, 239728), (166, 119864), (332, 59932), (664, 29966), (1328, 14983)]