15980778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 48

約数和(自身を含む): 38671776

約数和(自身を除く): 22690998

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 129, 198, 258, 387, 473, 774, 946, 1419, 1877, 2838, 3754, 4257, 5631, 8514, 11262, 16893, 20647, 33786, 41294, 61941, 80711, 123882, 161422, 185823, 242133, 371646, 484266, 726399, 887821, 1452798, 1775642, 2663463, 5326926, 7990389, 15980778]

約数ペア:

[(1, 15980778), (2, 7990389), (3, 5326926), (6, 2663463), (9, 1775642), (11, 1452798), (18, 887821), (22, 726399), (33, 484266), (43, 371646), (66, 242133), (86, 185823), (99, 161422), (129, 123882), (198, 80711), (258, 61941), (387, 41294), (473, 33786), (774, 20647), (946, 16893), (1419, 11262), (1877, 8514), (2838, 5631), (3754, 4257)]