18971422

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1\times {\mathrm{787}}^1$

素因数の和:1515

約数の個数: 16

約数和(自身を含む): 30211920

約数和(自身を除く): 11240498

約数列:

[1, 2, 17, 34, 709, 787, 1418, 1574, 12053, 13379, 24106, 26758, 557983, 1115966, 9485711, 18971422]

約数ペア:

[(1, 18971422), (2, 9485711), (17, 1115966), (34, 557983), (709, 26758), (787, 24106), (1418, 13379), (1574, 12053)]