18696969

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2063}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 28978560

約数和(自身を除く): 10281591

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2063, 3021, 6189, 9063, 18567, 39197, 109339, 117591, 328017, 352773, 984051, 2077441, 6232323, 18696969]

約数ペア:

[(1, 18696969), (3, 6232323), (9, 2077441), (19, 984051), (53, 352773), (57, 328017), (159, 117591), (171, 109339), (477, 39197), (1007, 18567), (2063, 9063), (3021, 6189)]