19102580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136447}}^1$

素因数の和:136463

約数の個数: 24

約数和(自身を含む): 45846528

約数和(自身を除く): 26743948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136447, 272894, 545788, 682235, 955129, 1364470, 1910258, 2728940, 3820516, 4775645, 9551290, 19102580]

約数ペア:

[(1, 19102580), (2, 9551290), (4, 4775645), (5, 3820516), (7, 2728940), (10, 1910258), (14, 1364470), (20, 955129), (28, 682235), (35, 545788), (70, 272894), (140, 136447)]