19144280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20809}}^1$

素因数の和:20843

約数の個数: 32

約数和(自身を含む): 44949600

約数和(自身を除く): 25805320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20809, 41618, 83236, 104045, 166472, 208090, 416180, 478607, 832360, 957214, 1914428, 2393035, 3828856, 4786070, 9572140, 19144280]

約数ペア:

[(1, 19144280), (2, 9572140), (4, 4786070), (5, 3828856), (8, 2393035), (10, 1914428), (20, 957214), (23, 832360), (40, 478607), (46, 416180), (92, 208090), (115, 166472), (184, 104045), (230, 83236), (460, 41618), (920, 20809)]