19621844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 38342304

約数和(自身を除く): 18720460

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 571, 781, 1142, 1562, 2284, 3124, 6281, 8591, 12562, 17182, 25124, 34364, 40541, 69091, 81082, 138182, 162164, 276364, 445951, 891902, 1783804, 4905461, 9810922, 19621844]

約数ペア:

[(1, 19621844), (2, 9810922), (4, 4905461), (11, 1783804), (22, 891902), (44, 445951), (71, 276364), (121, 162164), (142, 138182), (242, 81082), (284, 69091), (484, 40541), (571, 34364), (781, 25124), (1142, 17182), (1562, 12562), (2284, 8591), (3124, 6281)]