16979868

素因数分解:

$2^2\times 3^8\times {\mathrm{647}}^1$

素因数の和:675

約数の個数: 54

約数和(自身を含む): 44638776

約数和(自身を除く): 27658908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 647, 729, 972, 1294, 1458, 1941, 2187, 2588, 2916, 3882, 4374, 5823, 6561, 7764, 8748, 11646, 13122, 17469, 23292, 26244, 34938, 52407, 69876, 104814, 157221, 209628, 314442, 471663, 628884, 943326, 1414989, 1886652, 2829978, 4244967, 5659956, 8489934, 16979868]

約数ペア:

[(1, 16979868), (2, 8489934), (3, 5659956), (4, 4244967), (6, 2829978), (9, 1886652), (12, 1414989), (18, 943326), (27, 628884), (36, 471663), (54, 314442), (81, 209628), (108, 157221), (162, 104814), (243, 69876), (324, 52407), (486, 34938), (647, 26244), (729, 23292), (972, 17469), (1294, 13122), (1458, 11646), (1941, 8748), (2187, 7764), (2588, 6561), (2916, 5823), (3882, 4374)]