18995834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3907}}^1$

素因数の和:3950

約数の個数: 32

約数和(自身を含む): 35453376

約数和(自身を除く): 16457542

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 3907, 4862, 7814, 42977, 50791, 66419, 85954, 101582, 132838, 558701, 730609, 863447, 1117402, 1461218, 1726894, 9497917, 18995834]

約数ペア:

[(1, 18995834), (2, 9497917), (11, 1726894), (13, 1461218), (17, 1117402), (22, 863447), (26, 730609), (34, 558701), (143, 132838), (187, 101582), (221, 85954), (286, 66419), (374, 50791), (442, 42977), (2431, 7814), (3907, 4862)]