19965735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26099}}^1$

素因数の和:26127

約数の個数: 24

約数和(自身を含む): 36644400

約数和(自身を除く): 16678665

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26099, 78297, 130495, 234891, 391485, 443683, 1174455, 1331049, 2218415, 3993147, 6655245, 19965735]

約数ペア:

[(1, 19965735), (3, 6655245), (5, 3993147), (9, 2218415), (15, 1331049), (17, 1174455), (45, 443683), (51, 391485), (85, 234891), (153, 130495), (255, 78297), (765, 26099)]