19302520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20981}}^1$

素因数の和:21015

約数の個数: 32

約数和(自身を含む): 45321120

約数和(自身を除く): 26018600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20981, 41962, 83924, 104905, 167848, 209810, 419620, 482563, 839240, 965126, 1930252, 2412815, 3860504, 4825630, 9651260, 19302520]

約数ペア:

[(1, 19302520), (2, 9651260), (4, 4825630), (5, 3860504), (8, 2412815), (10, 1930252), (20, 965126), (23, 839240), (40, 482563), (46, 419620), (92, 209810), (115, 167848), (184, 104905), (230, 83924), (460, 41962), (920, 20981)]