19679504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94613}}^1$

素因数の和:94634

約数の個数: 20

約数和(自身を含む): 41062476

約数和(自身を除く): 21382972

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94613, 189226, 378452, 756904, 1229969, 1513808, 2459938, 4919876, 9839752, 19679504]

約数ペア:

[(1, 19679504), (2, 9839752), (4, 4919876), (8, 2459938), (13, 1513808), (16, 1229969), (26, 756904), (52, 378452), (104, 189226), (208, 94613)]