19979512

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7591}}^1$

素因数の和:7651

約数の個数: 32

約数和(自身を含む): 43729920

約数和(自身を除く): 23750408

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 7591, 15182, 30364, 53137, 60728, 106274, 212548, 356777, 425096, 713554, 1427108, 2497439, 2854216, 4994878, 9989756, 19979512]

約数ペア:

[(1, 19979512), (2, 9989756), (4, 4994878), (7, 2854216), (8, 2497439), (14, 1427108), (28, 713554), (47, 425096), (56, 356777), (94, 212548), (188, 106274), (329, 60728), (376, 53137), (658, 30364), (1316, 15182), (2632, 7591)]