18715444858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2090177}}^1$

素因数の和:2090238

約数の個数: 24

約数和(自身を含む): 31691278836

約数和(自身を除く): 12975833978

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 2090177, 4180354, 22991947, 45983894, 77336549, 154673098, 252911417, 505822834, 850702039, 1701404078, 9357722429, 18715444858]

約数ペア:

[(1, 18715444858), (2, 9357722429), (11, 1701404078), (22, 850702039), (37, 505822834), (74, 252911417), (121, 154673098), (242, 77336549), (407, 45983894), (814, 22991947), (4477, 4180354), (8954, 2090177)]