19925164

素因数分解:

$2^2\times 7^2\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:662

約数の個数: 36

約数和(自身を含む): 40819296

約数和(自身を除く): 20894132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 277, 367, 554, 734, 1108, 1468, 1939, 2569, 3878, 5138, 7756, 10276, 13573, 17983, 27146, 35966, 54292, 71932, 101659, 203318, 406636, 711613, 1423226, 2846452, 4981291, 9962582, 19925164]

約数ペア:

[(1, 19925164), (2, 9962582), (4, 4981291), (7, 2846452), (14, 1423226), (28, 711613), (49, 406636), (98, 203318), (196, 101659), (277, 71932), (367, 54292), (554, 35966), (734, 27146), (1108, 17983), (1468, 13573), (1939, 10276), (2569, 7756), (3878, 5138)]