19985758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15495842

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 1759, 3518, 5681, 11362, 22867, 33421, 40457, 45734, 66842, 80914, 434473, 525941, 768683, 868946, 1051882, 1537366, 9992879, 19985758]

約数ペア:

[(1, 19985758), (2, 9992879), (13, 1537366), (19, 1051882), (23, 868946), (26, 768683), (38, 525941), (46, 434473), (247, 80914), (299, 66842), (437, 45734), (494, 40457), (598, 33421), (874, 22867), (1759, 11362), (3518, 5681)]