19630959095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{28151}}^1$

素因数の和:28607

約数の個数: 32

約数和(自身を含む): 26593505280

約数和(自身を除く): 6962546185

約数列:

[1, 5, 11, 31, 55, 155, 341, 409, 1705, 2045, 4499, 12679, 22495, 28151, 63395, 139469, 140755, 309661, 697345, 872681, 1548305, 4363405, 9599491, 11513759, 47997455, 57568795, 126651349, 356926529, 633256745, 1784632645, 3926191819, 19630959095]

約数ペア:

[(1, 19630959095), (5, 3926191819), (11, 1784632645), (31, 633256745), (55, 356926529), (155, 126651349), (341, 57568795), (409, 47997455), (1705, 11513759), (2045, 9599491), (4499, 4363405), (12679, 1548305), (22495, 872681), (28151, 697345), (63395, 309661), (139469, 140755)]