18518680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20129}}^1$

素因数の和:20163

約数の個数: 32

約数和(自身を含む): 43480800

約数和(自身を除く): 24962120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20129, 40258, 80516, 100645, 161032, 201290, 402580, 462967, 805160, 925934, 1851868, 2314835, 3703736, 4629670, 9259340, 18518680]

約数ペア:

[(1, 18518680), (2, 9259340), (4, 4629670), (5, 3703736), (8, 2314835), (10, 1851868), (20, 925934), (23, 805160), (40, 462967), (46, 402580), (92, 201290), (115, 161032), (184, 100645), (230, 80516), (460, 40258), (920, 20129)]