19902512

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10453}}^1$

素因数の和:10485

約数の個数: 40

約数和(自身を含む): 46666656

約数和(自身を除く): 26764144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10453, 20906, 41812, 73171, 83624, 146342, 167248, 177701, 292684, 355402, 585368, 710804, 1170736, 1243907, 1421608, 2487814, 2843216, 4975628, 9951256, 19902512]

約数ペア:

[(1, 19902512), (2, 9951256), (4, 4975628), (7, 2843216), (8, 2487814), (14, 1421608), (16, 1243907), (17, 1170736), (28, 710804), (34, 585368), (56, 355402), (68, 292684), (112, 177701), (119, 167248), (136, 146342), (238, 83624), (272, 73171), (476, 41812), (952, 20906), (1904, 10453)]