1811968535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{1511}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 2469035520

約数和(自身を除く): 657066985

約数列:

[1, 5, 13, 19, 65, 95, 247, 971, 1235, 1511, 4855, 7555, 12623, 18449, 19643, 28709, 63115, 92245, 98215, 143545, 239837, 373217, 1199185, 1467181, 1866085, 7335905, 19073353, 27876439, 95366765, 139382195, 362393707, 1811968535]

約数ペア:

[(1, 1811968535), (5, 362393707), (13, 139382195), (19, 95366765), (65, 27876439), (95, 19073353), (247, 7335905), (971, 1866085), (1235, 1467181), (1511, 1199185), (4855, 373217), (7555, 239837), (12623, 143545), (18449, 98215), (19643, 92245), (28709, 63115)]