19225712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{349}}^1$

素因数の和:681

約数の個数: 40

約数和(自身を含む): 40882800

約数和(自身を除く): 21657088

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 313, 349, 626, 698, 1252, 1396, 2504, 2792, 3443, 3839, 5008, 5584, 6886, 7678, 13772, 15356, 27544, 30712, 55088, 61424, 109237, 218474, 436948, 873896, 1201607, 1747792, 2403214, 4806428, 9612856, 19225712]

約数ペア:

[(1, 19225712), (2, 9612856), (4, 4806428), (8, 2403214), (11, 1747792), (16, 1201607), (22, 873896), (44, 436948), (88, 218474), (176, 109237), (313, 61424), (349, 55088), (626, 30712), (698, 27544), (1252, 15356), (1396, 13772), (2504, 7678), (2792, 6886), (3443, 5584), (3839, 5008)]