19716566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 14705194

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 323, 391, 437, 646, 782, 874, 1327, 2654, 7429, 14858, 22559, 25213, 30521, 45118, 50426, 61042, 428621, 518857, 579899, 857242, 1037714, 1159798, 9858283, 19716566]

約数ペア:

[(1, 19716566), (2, 9858283), (17, 1159798), (19, 1037714), (23, 857242), (34, 579899), (38, 518857), (46, 428621), (323, 61042), (391, 50426), (437, 45118), (646, 30521), (782, 25213), (874, 22559), (1327, 14858), (2654, 7429)]