18156695011

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{52631}}^1$

素因数の和:52891

約数の個数: 32

約数和(自身を含む): 23767769088

約数和(自身を除く): 5611074077

約数列:

[1, 7, 13, 17, 91, 119, 221, 223, 1547, 1561, 2899, 3791, 20293, 26537, 49283, 52631, 344981, 368417, 684203, 894727, 4789421, 6263089, 11631451, 11736713, 81420157, 82156991, 152577269, 199524121, 1068040883, 1396668847, 2593813573, 18156695011]

約数ペア:

[(1, 18156695011), (7, 2593813573), (13, 1396668847), (17, 1068040883), (91, 199524121), (119, 152577269), (221, 82156991), (223, 81420157), (1547, 11736713), (1561, 11631451), (2899, 6263089), (3791, 4789421), (20293, 894727), (26537, 684203), (49283, 368417), (52631, 344981)]