19920754

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 15503246

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 409, 497, 686, 818, 994, 2863, 3479, 5726, 6958, 20041, 24353, 29039, 40082, 48706, 58078, 140287, 203273, 280574, 406546, 1422911, 2845822, 9960377, 19920754]

約数ペア:

[(1, 19920754), (2, 9960377), (7, 2845822), (14, 1422911), (49, 406546), (71, 280574), (98, 203273), (142, 140287), (343, 58078), (409, 48706), (497, 40082), (686, 29039), (818, 24353), (994, 20041), (2863, 6958), (3479, 5726)]