19942370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{661}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 41181696

約数和(自身を除く): 21239326

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 431, 661, 862, 1322, 2155, 3017, 3305, 4310, 4627, 6034, 6610, 9254, 15085, 23135, 30170, 46270, 284891, 569782, 1424455, 1994237, 2848910, 3988474, 9971185, 19942370]

約数ペア:

[(1, 19942370), (2, 9971185), (5, 3988474), (7, 2848910), (10, 1994237), (14, 1424455), (35, 569782), (70, 284891), (431, 46270), (661, 30170), (862, 23135), (1322, 15085), (2155, 9254), (3017, 6610), (3305, 6034), (4310, 4627)]