19946763

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43457}}^1$

素因数の和:43483

約数の個数: 16

約数和(自身を含む): 31289760

約数和(自身を除く): 11342997

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43457, 130371, 391113, 738769, 1173339, 2216307, 6648921, 19946763]

約数ペア:

[(1, 19946763), (3, 6648921), (9, 2216307), (17, 1173339), (27, 738769), (51, 391113), (153, 130371), (459, 43457)]