19400810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13567}}^1$

素因数の和:13598

約数の個数: 32

約数和(自身を含む): 41029632

約数和(自身を除く): 21628822

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13567, 27134, 67835, 135670, 149237, 176371, 298474, 352742, 746185, 881855, 1492370, 1763710, 1940081, 3880162, 9700405, 19400810]

約数ペア:

[(1, 19400810), (2, 9700405), (5, 3880162), (10, 1940081), (11, 1763710), (13, 1492370), (22, 881855), (26, 746185), (55, 352742), (65, 298474), (110, 176371), (130, 149237), (143, 135670), (286, 67835), (715, 27134), (1430, 13567)]