19844964

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1279}}^1$

素因数の和:1720

約数の個数: 36

約数和(自身を含む): 50319360

約数和(自身を除く): 30474396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1279, 1293, 1724, 2558, 2586, 3837, 3879, 5116, 5172, 7674, 7758, 11511, 15348, 15516, 23022, 46044, 551249, 1102498, 1653747, 2204996, 3307494, 4961241, 6614988, 9922482, 19844964]

約数ペア:

[(1, 19844964), (2, 9922482), (3, 6614988), (4, 4961241), (6, 3307494), (9, 2204996), (12, 1653747), (18, 1102498), (36, 551249), (431, 46044), (862, 23022), (1279, 15516), (1293, 15348), (1724, 11511), (2558, 7758), (2586, 7674), (3837, 5172), (3879, 5116)]