19726746

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5381}}^1$

素因数の和:5446

約数の個数: 32

約数和(自身を含む): 43400448

約数和(自身を除く): 23673702

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 5381, 10762, 16143, 32286, 69953, 139906, 209859, 252907, 419718, 505814, 758721, 1517442, 3287791, 6575582, 9863373, 19726746]

約数ペア:

[(1, 19726746), (2, 9863373), (3, 6575582), (6, 3287791), (13, 1517442), (26, 758721), (39, 505814), (47, 419718), (78, 252907), (94, 209859), (141, 139906), (282, 69953), (611, 32286), (1222, 16143), (1833, 10762), (3666, 5381)]