11891988

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 31080000

約数和(自身を除く): 19188012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 739, 894, 1341, 1478, 1788, 2217, 2682, 2956, 4023, 4434, 5364, 6651, 8046, 8868, 13302, 16092, 19953, 26604, 39906, 79812, 110111, 220222, 330333, 440444, 660666, 990999, 1321332, 1981998, 2972997, 3963996, 5945994, 11891988]

約数ペア:

[(1, 11891988), (2, 5945994), (3, 3963996), (4, 2972997), (6, 1981998), (9, 1321332), (12, 990999), (18, 660666), (27, 440444), (36, 330333), (54, 220222), (108, 110111), (149, 79812), (298, 39906), (447, 26604), (596, 19953), (739, 16092), (894, 13302), (1341, 8868), (1478, 8046), (1788, 6651), (2217, 5364), (2682, 4434), (2956, 4023)]