19969945

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 24442560

約数和(自身を除く): 4472615

約数列:

[1, 5, 107, 163, 229, 535, 815, 1145, 17441, 24503, 37327, 87205, 122515, 186635, 3993989, 19969945]

約数ペア:

[(1, 19969945), (5, 3993989), (107, 186635), (163, 122515), (229, 87205), (535, 37327), (815, 24503), (1145, 17441)]