1866788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 4468800

約数和(自身を除く): 2602012

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 29, 38, 44, 58, 76, 77, 116, 121, 133, 154, 203, 209, 242, 266, 308, 319, 406, 418, 484, 532, 551, 638, 812, 836, 847, 1102, 1276, 1463, 1694, 2204, 2233, 2299, 2926, 3388, 3509, 3857, 4466, 4598, 5852, 6061, 7018, 7714, 8932, 9196, 12122, 14036, 15428, 16093, 24244, 24563, 32186, 42427, 49126, 64372, 66671, 84854, 98252, 133342, 169708, 266684, 466697, 933394, 1866788]

約数ペア:

[(1, 1866788), (2, 933394), (4, 466697), (7, 266684), (11, 169708), (14, 133342), (19, 98252), (22, 84854), (28, 66671), (29, 64372), (38, 49126), (44, 42427), (58, 32186), (76, 24563), (77, 24244), (116, 16093), (121, 15428), (133, 14036), (154, 12122), (203, 9196), (209, 8932), (242, 7714), (266, 7018), (308, 6061), (319, 5852), (406, 4598), (418, 4466), (484, 3857), (532, 3509), (551, 3388), (638, 2926), (812, 2299), (836, 2233), (847, 2204), (1102, 1694), (1276, 1463)]