19399622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20507}}^1$

素因数の和:20563

約数の個数: 16

約数和(自身を含む): 32484672

約数和(自身を除く): 13085050

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20507, 41014, 225577, 451154, 881801, 1763602, 9699811, 19399622]

約数ペア:

[(1, 19399622), (2, 9699811), (11, 1763602), (22, 881801), (43, 451154), (86, 225577), (473, 41014), (946, 20507)]