18480920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24317}}^1$

素因数の和:24347

約数の個数: 32

約数和(自身を含む): 43772400

約数和(自身を除く): 25291480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24317, 48634, 97268, 121585, 194536, 243170, 462023, 486340, 924046, 972680, 1848092, 2310115, 3696184, 4620230, 9240460, 18480920]

約数ペア:

[(1, 18480920), (2, 9240460), (4, 4620230), (5, 3696184), (8, 2310115), (10, 1848092), (19, 972680), (20, 924046), (38, 486340), (40, 462023), (76, 243170), (95, 194536), (152, 121585), (190, 97268), (380, 48634), (760, 24317)]