18720792

素因数分解:

$2^3\times 3^2\times {\mathrm{260011}}^1$

素因数の和:260023

約数の個数: 24

約数和(自身を含む): 50702340

約数和(自身を除く): 31981548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 260011, 520022, 780033, 1040044, 1560066, 2080088, 2340099, 3120132, 4680198, 6240264, 9360396, 18720792]

約数ペア:

[(1, 18720792), (2, 9360396), (3, 6240264), (4, 4680198), (6, 3120132), (8, 2340099), (9, 2080088), (12, 1560066), (18, 1040044), (24, 780033), (36, 520022), (72, 260011)]