18965640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{158047}}^1$

素因数の和:158061

約数の個数: 32

約数和(自身を含む): 56897280

約数和(自身を除く): 37931640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 158047, 316094, 474141, 632188, 790235, 948282, 1264376, 1580470, 1896564, 2370705, 3160940, 3793128, 4741410, 6321880, 9482820, 18965640]

約数ペア:

[(1, 18965640), (2, 9482820), (3, 6321880), (4, 4741410), (5, 3793128), (6, 3160940), (8, 2370705), (10, 1896564), (12, 1580470), (15, 1264376), (20, 948282), (24, 790235), (30, 632188), (40, 474141), (60, 316094), (120, 158047)]