19961864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{523}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 40494720

約数和(自身を除く): 20532856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 367, 523, 734, 1046, 1468, 2092, 2936, 4184, 4771, 6799, 9542, 13598, 19084, 27196, 38168, 54392, 191941, 383882, 767764, 1535528, 2495233, 4990466, 9980932, 19961864]

約数ペア:

[(1, 19961864), (2, 9980932), (4, 4990466), (8, 2495233), (13, 1535528), (26, 767764), (52, 383882), (104, 191941), (367, 54392), (523, 38168), (734, 27196), (1046, 19084), (1468, 13598), (2092, 9542), (2936, 6799), (4184, 4771)]