16816976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 21751984

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 107, 152, 176, 188, 209, 214, 304, 376, 418, 428, 517, 752, 836, 856, 893, 1034, 1177, 1672, 1712, 1786, 2033, 2068, 2354, 3344, 3572, 4066, 4136, 4708, 5029, 7144, 8132, 8272, 9416, 9823, 10058, 14288, 16264, 18832, 19646, 20116, 22363, 32528, 39292, 40232, 44726, 55319, 78584, 80464, 89452, 95551, 110638, 157168, 178904, 191102, 221276, 357808, 382204, 442552, 764408, 885104, 1051061, 1528816, 2102122, 4204244, 8408488, 16816976]

約数ペア:

[(1, 16816976), (2, 8408488), (4, 4204244), (8, 2102122), (11, 1528816), (16, 1051061), (19, 885104), (22, 764408), (38, 442552), (44, 382204), (47, 357808), (76, 221276), (88, 191102), (94, 178904), (107, 157168), (152, 110638), (176, 95551), (188, 89452), (209, 80464), (214, 78584), (304, 55319), (376, 44726), (418, 40232), (428, 39292), (517, 32528), (752, 22363), (836, 20116), (856, 19646), (893, 18832), (1034, 16264), (1177, 14288), (1672, 10058), (1712, 9823), (1786, 9416), (2033, 8272), (2068, 8132), (2354, 7144), (3344, 5029), (3572, 4708), (4066, 4136)]