19097392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 39854592

約数和(自身を除く): 20757200

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1151, 2074, 2302, 4148, 4604, 8296, 9208, 16592, 18416, 19567, 39134, 70211, 78268, 140422, 156536, 280844, 313072, 561688, 1123376, 1193587, 2387174, 4774348, 9548696, 19097392]

約数ペア:

[(1, 19097392), (2, 9548696), (4, 4774348), (8, 2387174), (16, 1193587), (17, 1123376), (34, 561688), (61, 313072), (68, 280844), (122, 156536), (136, 140422), (244, 78268), (272, 70211), (488, 39134), (976, 19567), (1037, 18416), (1151, 16592), (2074, 9208), (2302, 8296), (4148, 4604)]