19556868

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2652

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 30085116

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 37, 51, 68, 74, 102, 111, 148, 204, 222, 444, 629, 1258, 1887, 2516, 2591, 3774, 5182, 7548, 7773, 10364, 15546, 31092, 44047, 88094, 95867, 132141, 176188, 191734, 264282, 287601, 383468, 528564, 575202, 1150404, 1629739, 3259478, 4889217, 6518956, 9778434, 19556868]

約数ペア:

[(1, 19556868), (2, 9778434), (3, 6518956), (4, 4889217), (6, 3259478), (12, 1629739), (17, 1150404), (34, 575202), (37, 528564), (51, 383468), (68, 287601), (74, 264282), (102, 191734), (111, 176188), (148, 132141), (204, 95867), (222, 88094), (444, 44047), (629, 31092), (1258, 15546), (1887, 10364), (2516, 7773), (2591, 7548), (3774, 5182)]