19556466

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 20360334

約数列:

[1, 2, 3, 6, 131, 139, 179, 262, 278, 358, 393, 417, 537, 786, 834, 1074, 18209, 23449, 24881, 36418, 46898, 49762, 54627, 70347, 74643, 109254, 140694, 149286, 3259411, 6518822, 9778233, 19556466]

約数ペア:

[(1, 19556466), (2, 9778233), (3, 6518822), (6, 3259411), (131, 149286), (139, 140694), (179, 109254), (262, 74643), (278, 70347), (358, 54627), (393, 49762), (417, 46898), (537, 36418), (786, 24881), (834, 23449), (1074, 18209)]