19306288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70979}}^1$

素因数の和:71004

約数の個数: 20

約数和(自身を含む): 39606840

約数和(自身を除く): 20300552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70979, 141958, 283916, 567832, 1135664, 1206643, 2413286, 4826572, 9653144, 19306288]

約数ペア:

[(1, 19306288), (2, 9653144), (4, 4826572), (8, 2413286), (16, 1206643), (17, 1135664), (34, 567832), (68, 283916), (136, 141958), (272, 70979)]