19898806

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 32050800

約数和(自身を除く): 12151994

約数列:

[1, 2, 17, 34, 173, 199, 289, 346, 398, 578, 2941, 3383, 5882, 6766, 34427, 49997, 57511, 68854, 99994, 115022, 585259, 1170518, 9949403, 19898806]

約数ペア:

[(1, 19898806), (2, 9949403), (17, 1170518), (34, 585259), (173, 115022), (199, 99994), (289, 68854), (346, 57511), (398, 49997), (578, 34427), (2941, 6766), (3383, 5882)]