19726936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 39720240

約数和(自身を除く): 19993304

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 584, 1241, 1987, 2482, 3974, 4964, 7948, 9928, 15896, 33779, 67558, 135116, 145051, 270232, 290102, 580204, 1160408, 2465867, 4931734, 9863468, 19726936]

約数ペア:

[(1, 19726936), (2, 9863468), (4, 4931734), (8, 2465867), (17, 1160408), (34, 580204), (68, 290102), (73, 270232), (136, 145051), (146, 135116), (292, 67558), (584, 33779), (1241, 15896), (1987, 9928), (2482, 7948), (3974, 4964)]