19539639

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6599}}^1$

素因数の和:6659

約数の個数: 24

約数和(自身を含む): 32947200

約数和(自身を除く): 13407561

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6599, 19797, 46193, 59391, 138579, 310153, 415737, 930459, 2171071, 2791377, 6513213, 19539639]

約数ペア:

[(1, 19539639), (3, 6513213), (7, 2791377), (9, 2171071), (21, 930459), (47, 415737), (63, 310153), (141, 138579), (329, 59391), (423, 46193), (987, 19797), (2961, 6599)]