19645424

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{2003}}^1$

素因数の和:2624

約数の個数: 20

約数和(自身を含む): 38144136

約数和(自身を除く): 18498712

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2003, 2452, 4006, 4904, 8012, 9808, 16024, 32048, 1227839, 2455678, 4911356, 9822712, 19645424]

約数ペア:

[(1, 19645424), (2, 9822712), (4, 4911356), (8, 2455678), (16, 1227839), (613, 32048), (1226, 16024), (2003, 9808), (2452, 8012), (4006, 4904)]