18181522908

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{21958361}}^1$

素因数の和:21958394

約数の個数: 36

約数和(自身を含む): 47957062608

約数和(自身を除く): 29775539700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 21958361, 43916722, 65875083, 87833444, 131750166, 197625249, 263500332, 395250498, 505042303, 790500996, 1010084606, 1515126909, 2020169212, 3030253818, 4545380727, 6060507636, 9090761454, 18181522908]

約数ペア:

[(1, 18181522908), (2, 9090761454), (3, 6060507636), (4, 4545380727), (6, 3030253818), (9, 2020169212), (12, 1515126909), (18, 1010084606), (23, 790500996), (36, 505042303), (46, 395250498), (69, 263500332), (92, 197625249), (138, 131750166), (207, 87833444), (276, 65875083), (414, 43916722), (828, 21958361)]