17939792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86249}}^1$

素因数の和:86270

約数の個数: 20

約数和(自身を含む): 37432500

約数和(自身を除く): 19492708

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86249, 172498, 344996, 689992, 1121237, 1379984, 2242474, 4484948, 8969896, 17939792]

約数ペア:

[(1, 17939792), (2, 8969896), (4, 4484948), (8, 2242474), (13, 1379984), (16, 1121237), (26, 689992), (52, 344996), (104, 172498), (208, 86249)]