19992459

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4723}}^1$

素因数の和:4826

約数の個数: 16

約数和(自身を含む): 28570752

約数和(自身を除く): 8578293

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 4723, 14169, 80291, 240873, 392009, 1176027, 6664153, 19992459]

約数ペア:

[(1, 19992459), (3, 6664153), (17, 1176027), (51, 392009), (83, 240873), (249, 80291), (1411, 14169), (4233, 4723)]