19900218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2477}}^1$

素因数の和:2598

約数の個数: 32

約数和(自身を含む): 43295616

約数和(自身を除く): 23395398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2477, 2678, 4017, 4954, 7431, 8034, 14862, 32201, 64402, 96603, 193206, 255131, 510262, 765393, 1530786, 3316703, 6633406, 9950109, 19900218]

約数ペア:

[(1, 19900218), (2, 9950109), (3, 6633406), (6, 3316703), (13, 1530786), (26, 765393), (39, 510262), (78, 255131), (103, 193206), (206, 96603), (309, 64402), (618, 32201), (1339, 14862), (2477, 8034), (2678, 7431), (4017, 4954)]