16918446820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2633}}^1\times {\mathrm{29207}}^1$

素因数の和:31860

約数の個数: 48

約数和(自身を含む): 38774671488

約数和(自身を除く): 21856224668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2633, 5266, 10532, 13165, 26330, 28963, 29207, 52660, 57926, 58414, 115852, 116828, 144815, 146035, 289630, 292070, 321277, 579260, 584140, 642554, 1285108, 1606385, 3212770, 6425540, 76902031, 153804062, 307608124, 384510155, 769020310, 845922341, 1538040620, 1691844682, 3383689364, 4229611705, 8459223410, 16918446820]

約数ペア:

[(1, 16918446820), (2, 8459223410), (4, 4229611705), (5, 3383689364), (10, 1691844682), (11, 1538040620), (20, 845922341), (22, 769020310), (44, 384510155), (55, 307608124), (110, 153804062), (220, 76902031), (2633, 6425540), (5266, 3212770), (10532, 1606385), (13165, 1285108), (26330, 642554), (28963, 584140), (29207, 579260), (52660, 321277), (57926, 292070), (58414, 289630), (115852, 146035), (116828, 144815)]