18872854

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 38342304

約数和(自身を除く): 19469450

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 857, 1001, 1573, 1694, 1714, 2002, 3146, 5999, 9427, 11011, 11141, 11998, 18854, 22022, 22282, 65989, 77987, 103697, 122551, 131978, 155974, 207394, 245102, 725879, 857857, 1348061, 1451758, 1715714, 2696122, 9436427, 18872854]

約数ペア:

[(1, 18872854), (2, 9436427), (7, 2696122), (11, 1715714), (13, 1451758), (14, 1348061), (22, 857857), (26, 725879), (77, 245102), (91, 207394), (121, 155974), (143, 131978), (154, 122551), (182, 103697), (242, 77987), (286, 65989), (847, 22282), (857, 22022), (1001, 18854), (1573, 11998), (1694, 11141), (1714, 11011), (2002, 9427), (3146, 5999)]