19319230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 40998960

約数和(自身を除く): 21679730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 443, 445, 490, 623, 886, 890, 1246, 2215, 3101, 3115, 4361, 4430, 6202, 6230, 8722, 15505, 21707, 21805, 31010, 39427, 43414, 43610, 78854, 108535, 197135, 217070, 275989, 394270, 551978, 1379945, 1931923, 2759890, 3863846, 9659615, 19319230]

約数ペア:

[(1, 19319230), (2, 9659615), (5, 3863846), (7, 2759890), (10, 1931923), (14, 1379945), (35, 551978), (49, 394270), (70, 275989), (89, 217070), (98, 197135), (178, 108535), (245, 78854), (443, 43610), (445, 43414), (490, 39427), (623, 31010), (886, 21805), (890, 21707), (1246, 15505), (2215, 8722), (3101, 6230), (3115, 6202), (4361, 4430)]