19821025

素因数分解:

$5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 28283904

約数和(自身を除く): 8462879

約数列:

[1, 5, 7, 25, 35, 175, 191, 593, 955, 1337, 2965, 4151, 4775, 6685, 14825, 20755, 33425, 103775, 113263, 566315, 792841, 2831575, 3964205, 19821025]

約数ペア:

[(1, 19821025), (5, 3964205), (7, 2831575), (25, 792841), (35, 566315), (175, 113263), (191, 103775), (593, 33425), (955, 20755), (1337, 14825), (2965, 6685), (4151, 4775)]