19909276

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 35498736

約数和(自身を除く): 15589460

約数列:

[1, 2, 4, 107, 181, 214, 257, 362, 428, 514, 724, 1028, 19367, 27499, 38734, 46517, 54998, 77468, 93034, 109996, 186068, 4977319, 9954638, 19909276]

約数ペア:

[(1, 19909276), (2, 9954638), (4, 4977319), (107, 186068), (181, 109996), (214, 93034), (257, 77468), (362, 54998), (428, 46517), (514, 38734), (724, 27499), (1028, 19367)]