19681189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 23518656

約数和(自身を除く): 3837467

約数列:

[1, 11, 17, 41, 151, 187, 289, 451, 697, 1661, 2567, 3179, 6191, 7667, 11849, 28237, 43639, 68101, 105247, 130339, 480029, 1157717, 1789199, 19681189]

約数ペア:

[(1, 19681189), (11, 1789199), (17, 1157717), (41, 480029), (151, 130339), (187, 105247), (289, 68101), (451, 43639), (697, 28237), (1661, 11849), (2567, 7667), (3179, 6191)]