18715784

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 36751320

約数和(自身を除く): 18035536

約数列:

[1, 2, 4, 8, 37, 53, 74, 106, 148, 212, 296, 424, 1193, 1961, 2386, 3922, 4772, 7844, 9544, 15688, 44141, 63229, 88282, 126458, 176564, 252916, 353128, 505832, 2339473, 4678946, 9357892, 18715784]

約数ペア:

[(1, 18715784), (2, 9357892), (4, 4678946), (8, 2339473), (37, 505832), (53, 353128), (74, 252916), (106, 176564), (148, 126458), (212, 88282), (296, 63229), (424, 44141), (1193, 15688), (1961, 9544), (2386, 7844), (3922, 4772)]