19868104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1051}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 39765600

約数和(自身を除く): 19897496

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1051, 1112, 2102, 2363, 4204, 4726, 8408, 9452, 17867, 18904, 35734, 71468, 142936, 146089, 292178, 584356, 1168712, 2483513, 4967026, 9934052, 19868104]

約数ペア:

[(1, 19868104), (2, 9934052), (4, 4967026), (8, 2483513), (17, 1168712), (34, 584356), (68, 292178), (136, 146089), (139, 142936), (278, 71468), (556, 35734), (1051, 18904), (1112, 17867), (2102, 9452), (2363, 8408), (4204, 4726)]