18757528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1289}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 37616400

約数和(自身を除く): 18858872

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1289, 1819, 2578, 3638, 5156, 7276, 10312, 14552, 21913, 43826, 87652, 137923, 175304, 275846, 551692, 1103384, 2344691, 4689382, 9378764, 18757528]

約数ペア:

[(1, 18757528), (2, 9378764), (4, 4689382), (8, 2344691), (17, 1103384), (34, 551692), (68, 275846), (107, 175304), (136, 137923), (214, 87652), (428, 43826), (856, 21913), (1289, 14552), (1819, 10312), (2578, 7276), (3638, 5156)]