19973788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 36968400

約数和(自身を除く): 16994612

約数列:

[1, 2, 4, 19, 38, 76, 269, 538, 977, 1076, 1954, 3908, 5111, 10222, 18563, 20444, 37126, 74252, 262813, 525626, 1051252, 4993447, 9986894, 19973788]

約数ペア:

[(1, 19973788), (2, 9986894), (4, 4993447), (19, 1051252), (38, 525626), (76, 262813), (269, 74252), (538, 37126), (977, 20444), (1076, 18563), (1954, 10222), (3908, 5111)]