19979608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7829}}^1$

素因数の和:7875

約数の個数: 32

約数和(自身を含む): 42282000

約数和(自身を除く): 22302392

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7829, 15658, 31316, 62632, 86119, 172238, 227041, 344476, 454082, 688952, 908164, 1816328, 2497451, 4994902, 9989804, 19979608]

約数ペア:

[(1, 19979608), (2, 9989804), (4, 4994902), (8, 2497451), (11, 1816328), (22, 908164), (29, 688952), (44, 454082), (58, 344476), (88, 227041), (116, 172238), (232, 86119), (319, 62632), (638, 31316), (1276, 15658), (2552, 7829)]