19275678

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 23705442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 727, 982, 1454, 1473, 2181, 2946, 4362, 4419, 6543, 8838, 13086, 13257, 19629, 26514, 39258, 356957, 713914, 1070871, 2141742, 3212613, 6425226, 9637839, 19275678]

約数ペア:

[(1, 19275678), (2, 9637839), (3, 6425226), (6, 3212613), (9, 2141742), (18, 1070871), (27, 713914), (54, 356957), (491, 39258), (727, 26514), (982, 19629), (1454, 13257), (1473, 13086), (2181, 8838), (2946, 6543), (4362, 4419)]