20180180804

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19478939}}^1$

素因数の和:19478987

約数の個数: 24

約数和(自身を含む): 41451184320

約数和(自身を除く): 21271003516

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19478939, 38957878, 77915756, 136352573, 272705146, 545410292, 720720743, 1441441486, 2882882972, 5045045201, 10090090402, 20180180804]

約数ペア:

[(1, 20180180804), (2, 10090090402), (4, 5045045201), (7, 2882882972), (14, 1441441486), (28, 720720743), (37, 545410292), (74, 272705146), (148, 136352573), (259, 77915756), (518, 38957878), (1036, 19478939)]