19121440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 50485680

約数和(自身を除く): 31364240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 317, 377, 416, 464, 520, 580, 634, 754, 928, 1040, 1160, 1268, 1508, 1585, 1885, 2080, 2320, 2536, 3016, 3170, 3770, 4121, 4640, 5072, 6032, 6340, 7540, 8242, 9193, 10144, 12064, 12680, 15080, 16484, 18386, 20605, 25360, 30160, 32968, 36772, 41210, 45965, 50720, 60320, 65936, 73544, 82420, 91930, 119509, 131872, 147088, 164840, 183860, 239018, 294176, 329680, 367720, 478036, 597545, 659360, 735440, 956072, 1195090, 1470880, 1912144, 2390180, 3824288, 4780360, 9560720, 19121440]

約数ペア:

[(1, 19121440), (2, 9560720), (4, 4780360), (5, 3824288), (8, 2390180), (10, 1912144), (13, 1470880), (16, 1195090), (20, 956072), (26, 735440), (29, 659360), (32, 597545), (40, 478036), (52, 367720), (58, 329680), (65, 294176), (80, 239018), (104, 183860), (116, 164840), (130, 147088), (145, 131872), (160, 119509), (208, 91930), (232, 82420), (260, 73544), (290, 65936), (317, 60320), (377, 50720), (416, 45965), (464, 41210), (520, 36772), (580, 32968), (634, 30160), (754, 25360), (928, 20605), (1040, 18386), (1160, 16484), (1268, 15080), (1508, 12680), (1585, 12064), (1885, 10144), (2080, 9193), (2320, 8242), (2536, 7540), (3016, 6340), (3170, 6032), (3770, 5072), (4121, 4640)]