19837912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{733}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 39636000

約数和(自身を除く): 19798088

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 733, 796, 1466, 1592, 2932, 3383, 5864, 6766, 12461, 13532, 24922, 27064, 49844, 99688, 145867, 291734, 583468, 1166936, 2479739, 4959478, 9918956, 19837912]

約数ペア:

[(1, 19837912), (2, 9918956), (4, 4959478), (8, 2479739), (17, 1166936), (34, 583468), (68, 291734), (136, 145867), (199, 99688), (398, 49844), (733, 27064), (796, 24922), (1466, 13532), (1592, 12461), (2932, 6766), (3383, 5864)]