18820496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69193}}^1$

素因数の和:69218

約数の個数: 20

約数和(自身を含む): 38610252

約数和(自身を除く): 19789756

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69193, 138386, 276772, 553544, 1107088, 1176281, 2352562, 4705124, 9410248, 18820496]

約数ペア:

[(1, 18820496), (2, 9410248), (4, 4705124), (8, 2352562), (16, 1176281), (17, 1107088), (34, 553544), (68, 276772), (136, 138386), (272, 69193)]