19718172

素因数分解:

$2^2\times 3^2\times {\mathrm{547727}}^1$

素因数の和:547737

約数の個数: 18

約数和(自身を含む): 49843248

約数和(自身を除く): 30125076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 547727, 1095454, 1643181, 2190908, 3286362, 4929543, 6572724, 9859086, 19718172]

約数ペア:

[(1, 19718172), (2, 9859086), (3, 6572724), (4, 4929543), (6, 3286362), (9, 2190908), (12, 1643181), (18, 1095454), (36, 547727)]