19824160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5387}}^1$

素因数の和:5425

約数の個数: 48

約数和(自身を含む): 48879936

約数和(自身を除く): 29055776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5387, 10774, 21548, 26935, 43096, 53870, 86192, 107740, 123901, 172384, 215480, 247802, 430960, 495604, 619505, 861920, 991208, 1239010, 1982416, 2478020, 3964832, 4956040, 9912080, 19824160]

約数ペア:

[(1, 19824160), (2, 9912080), (4, 4956040), (5, 3964832), (8, 2478020), (10, 1982416), (16, 1239010), (20, 991208), (23, 861920), (32, 619505), (40, 495604), (46, 430960), (80, 247802), (92, 215480), (115, 172384), (160, 123901), (184, 107740), (230, 86192), (368, 53870), (460, 43096), (736, 26935), (920, 21548), (1840, 10774), (3680, 5387)]