18975814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 34239744

約数和(自身を除く): 15263930

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1543, 3086, 6149, 12298, 16973, 20059, 33946, 40118, 66349, 132698, 220649, 441298, 729839, 862537, 1459678, 1725074, 9487907, 18975814]

約数ペア:

[(1, 18975814), (2, 9487907), (11, 1725074), (13, 1459678), (22, 862537), (26, 729839), (43, 441298), (86, 220649), (143, 132698), (286, 66349), (473, 40118), (559, 33946), (946, 20059), (1118, 16973), (1543, 12298), (3086, 6149)]