19724351744

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{4019}}^1$

素因数の和:5063

約数の個数: 72

約数和(自身を含む): 41495244000

約数和(自身を除く): 21770892256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1009, 1216, 2018, 2432, 4019, 4036, 4864, 8038, 8072, 16076, 16144, 19171, 32152, 32288, 38342, 64304, 64576, 76361, 76684, 128608, 129152, 152722, 153368, 257216, 258304, 305444, 306736, 514432, 610888, 613472, 1028864, 1221776, 1226944, 2443552, 2453888, 4055171, 4887104, 4907776, 8110342, 9774208, 16220684, 19548416, 32441368, 64882736, 77048249, 129765472, 154096498, 259530944, 308192996, 519061888, 616385992, 1038123776, 1232771984, 2465543968, 4931087936, 9862175872, 19724351744]

約数ペア:

[(1, 19724351744), (2, 9862175872), (4, 4931087936), (8, 2465543968), (16, 1232771984), (19, 1038123776), (32, 616385992), (38, 519061888), (64, 308192996), (76, 259530944), (128, 154096498), (152, 129765472), (256, 77048249), (304, 64882736), (608, 32441368), (1009, 19548416), (1216, 16220684), (2018, 9774208), (2432, 8110342), (4019, 4907776), (4036, 4887104), (4864, 4055171), (8038, 2453888), (8072, 2443552), (16076, 1226944), (16144, 1221776), (19171, 1028864), (32152, 613472), (32288, 610888), (38342, 514432), (64304, 306736), (64576, 305444), (76361, 258304), (76684, 257216), (128608, 153368), (129152, 152722)]