19796880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82487}}^1$

素因数の和:82503

約数の個数: 40

約数和(自身を含む): 61371072

約数和(自身を除く): 41574192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82487, 164974, 247461, 329948, 412435, 494922, 659896, 824870, 989844, 1237305, 1319792, 1649740, 1979688, 2474610, 3299480, 3959376, 4949220, 6598960, 9898440, 19796880]

約数ペア:

[(1, 19796880), (2, 9898440), (3, 6598960), (4, 4949220), (5, 3959376), (6, 3299480), (8, 2474610), (10, 1979688), (12, 1649740), (15, 1319792), (16, 1237305), (20, 989844), (24, 824870), (30, 659896), (40, 494922), (48, 412435), (60, 329948), (80, 247461), (120, 164974), (240, 82487)]