19368801

素因数分解:

$3^6\times {\mathrm{163}}^2$

素因数の和:344

約数の個数: 21

約数和(自身を含む): 29219169

約数和(自身を除く): 9850368

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 729, 1467, 4401, 13203, 26569, 39609, 79707, 118827, 239121, 717363, 2152089, 6456267, 19368801]

約数ペア:

[(1, 19368801), (3, 6456267), (9, 2152089), (27, 717363), (81, 239121), (163, 118827), (243, 79707), (489, 39609), (729, 26569), (1467, 13203)]