18693417

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 25663680

約数和(自身を除く): 6970263

約数列:

[1, 3, 41, 123, 379, 401, 1137, 1203, 15539, 16441, 46617, 49323, 151979, 455937, 6231139, 18693417]

約数ペア:

[(1, 18693417), (3, 6231139), (41, 455937), (123, 151979), (379, 49323), (401, 46617), (1137, 16441), (1203, 15539)]