19310686

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 29520720

約数和(自身を除く): 10210034

約数列:

[1, 2, 89, 157, 178, 314, 691, 1382, 13973, 27946, 61499, 108487, 122998, 216974, 9655343, 19310686]

約数ペア:

[(1, 19310686), (2, 9655343), (89, 216974), (157, 122998), (178, 108487), (314, 61499), (691, 27946), (1382, 13973)]