19759256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1487}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 20952424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1487, 1661, 2974, 3322, 5948, 6644, 11896, 13288, 16357, 32714, 65428, 130856, 224537, 449074, 898148, 1796296, 2469907, 4939814, 9879628, 19759256]

約数ペア:

[(1, 19759256), (2, 9879628), (4, 4939814), (8, 2469907), (11, 1796296), (22, 898148), (44, 449074), (88, 224537), (151, 130856), (302, 65428), (604, 32714), (1208, 16357), (1487, 13288), (1661, 11896), (2974, 6644), (3322, 5948)]