18001115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2542

約数の個数: 16

約数和(自身を含む): 23747040

約数和(自身を除く): 5745925

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2389, 7535, 11945, 26279, 131395, 327293, 1636465, 3600223, 18001115]

約数ペア:

[(1, 18001115), (5, 3600223), (11, 1636465), (55, 327293), (137, 131395), (685, 26279), (1507, 11945), (2389, 7535)]