12154015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4182

約数の個数: 16

約数和(自身を含む): 15851520

約数和(自身を除く): 3697505

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 4127, 20635, 78413, 127937, 392065, 639685, 2430803, 12154015]

約数ペア:

[(1, 12154015), (5, 2430803), (19, 639685), (31, 392065), (95, 127937), (155, 78413), (589, 20635), (2945, 4127)]