19355075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 25685856

約数和(自身を除く): 6330781

約数列:

[1, 5, 23, 25, 41, 115, 205, 575, 821, 943, 1025, 4105, 4715, 18883, 20525, 23575, 33661, 94415, 168305, 472075, 774203, 841525, 3871015, 19355075]

約数ペア:

[(1, 19355075), (5, 3871015), (23, 841525), (25, 774203), (41, 472075), (115, 168305), (205, 94415), (575, 33661), (821, 23575), (943, 20525), (1025, 18883), (4105, 4715)]