18735224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 37396080

約数和(自身を除く): 18660856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 347, 397, 694, 794, 1388, 1588, 2776, 3176, 5899, 6749, 11798, 13498, 23596, 26996, 47192, 53992, 137759, 275518, 551036, 1102072, 2341903, 4683806, 9367612, 18735224]

約数ペア:

[(1, 18735224), (2, 9367612), (4, 4683806), (8, 2341903), (17, 1102072), (34, 551036), (68, 275518), (136, 137759), (347, 53992), (397, 47192), (694, 26996), (794, 23596), (1388, 13498), (1588, 11798), (2776, 6749), (3176, 5899)]