19721028

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71453}}^1$

素因数の和:71483

約数の個数: 24

約数和(自身を含む): 48017088

約数和(自身を除く): 28296060

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 71453, 142906, 214359, 285812, 428718, 857436, 1643419, 3286838, 4930257, 6573676, 9860514, 19721028]

約数ペア:

[(1, 19721028), (2, 9860514), (3, 6573676), (4, 4930257), (6, 3286838), (12, 1643419), (23, 857436), (46, 428718), (69, 285812), (92, 214359), (138, 142906), (276, 71453)]