19664554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 36691200

約数和(自身を除く): 17026646

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1049, 1339, 1442, 2098, 2678, 7343, 9373, 13637, 14686, 18746, 27274, 95459, 108047, 190918, 216094, 756329, 1404611, 1512658, 2809222, 9832277, 19664554]

約数ペア:

[(1, 19664554), (2, 9832277), (7, 2809222), (13, 1512658), (14, 1404611), (26, 756329), (91, 216094), (103, 190918), (182, 108047), (206, 95459), (721, 27274), (1049, 18746), (1339, 14686), (1442, 13637), (2098, 9373), (2678, 7343)]