19728468

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6299}}^1$

素因数の和:6341

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 33191532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6299, 12598, 18897, 25196, 37794, 56691, 75588, 113382, 170073, 182671, 226764, 340146, 365342, 548013, 680292, 730684, 1096026, 1644039, 2192052, 3288078, 4932117, 6576156, 9864234, 19728468]

約数ペア:

[(1, 19728468), (2, 9864234), (3, 6576156), (4, 4932117), (6, 3288078), (9, 2192052), (12, 1644039), (18, 1096026), (27, 730684), (29, 680292), (36, 548013), (54, 365342), (58, 340146), (87, 226764), (108, 182671), (116, 170073), (174, 113382), (261, 75588), (348, 56691), (522, 37794), (783, 25196), (1044, 18897), (1566, 12598), (3132, 6299)]