18996369

素因数分解:

$3^1\times 7^3\times {\mathrm{18461}}^1$

素因数の和:18485

約数の個数: 16

約数和(自身を含む): 29539200

約数和(自身を除く): 10542831

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 18461, 55383, 129227, 387681, 904589, 2713767, 6332123, 18996369]

約数ペア:

[(1, 18996369), (3, 6332123), (7, 2713767), (21, 904589), (49, 387681), (147, 129227), (343, 55383), (1029, 18461)]