19377258

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 39631680

約数和(自身を除く): 20254422

約数列:

[1, 2, 3, 6, 89, 131, 178, 262, 267, 277, 393, 534, 554, 786, 831, 1662, 11659, 23318, 24653, 34977, 36287, 49306, 69954, 72574, 73959, 108861, 147918, 217722, 3229543, 6459086, 9688629, 19377258]

約数ペア:

[(1, 19377258), (2, 9688629), (3, 6459086), (6, 3229543), (89, 217722), (131, 147918), (178, 108861), (262, 73959), (267, 72574), (277, 69954), (393, 49306), (534, 36287), (554, 34977), (786, 24653), (831, 23318), (1662, 11659)]