19371219985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{577}}^1\times {\mathrm{1301}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 25159452192

約数和(自身を除く): 5788232207

約数列:

[1, 5, 13, 65, 397, 577, 1301, 1985, 2885, 5161, 6505, 7501, 16913, 25805, 37505, 84565, 229069, 516497, 750677, 1145345, 2582485, 2977897, 3753385, 6714461, 9758801, 14889485, 33572305, 48794005, 298018769, 1490093845, 3874243997, 19371219985]

約数ペア:

[(1, 19371219985), (5, 3874243997), (13, 1490093845), (65, 298018769), (397, 48794005), (577, 33572305), (1301, 14889485), (1985, 9758801), (2885, 6714461), (5161, 3753385), (6505, 2977897), (7501, 2582485), (16913, 1145345), (25805, 750677), (37505, 516497), (84565, 229069)]