18933579

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2017}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 31480800

約数和(自身を除く): 12547221

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2017, 3129, 6051, 9387, 14119, 18153, 42357, 127071, 300533, 901599, 2103731, 2704797, 6311193, 18933579]

約数ペア:

[(1, 18933579), (3, 6311193), (7, 2704797), (9, 2103731), (21, 901599), (63, 300533), (149, 127071), (447, 42357), (1043, 18153), (1341, 14119), (2017, 9387), (3129, 6051)]