2018211616

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{3947}}^1$

素因数の和:4034

約数の個数: 72

約数和(自身を含む): 4332772080

約数和(自身を除く): 2314560464

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 841, 928, 1102, 1682, 2204, 3364, 3947, 4408, 6728, 7894, 8816, 13456, 15788, 15979, 17632, 26912, 31576, 31958, 63152, 63916, 74993, 114463, 126304, 127832, 149986, 228926, 255664, 299972, 457852, 511328, 599944, 915704, 1199888, 1831408, 2174797, 2399776, 3319427, 3662816, 4349594, 6638854, 8699188, 13277708, 17398376, 26555416, 34796752, 53110832, 63069113, 69593504, 106221664, 126138226, 252276452, 504552904, 1009105808, 2018211616]

約数ペア:

[(1, 2018211616), (2, 1009105808), (4, 504552904), (8, 252276452), (16, 126138226), (19, 106221664), (29, 69593504), (32, 63069113), (38, 53110832), (58, 34796752), (76, 26555416), (116, 17398376), (152, 13277708), (232, 8699188), (304, 6638854), (464, 4349594), (551, 3662816), (608, 3319427), (841, 2399776), (928, 2174797), (1102, 1831408), (1682, 1199888), (2204, 915704), (3364, 599944), (3947, 511328), (4408, 457852), (6728, 299972), (7894, 255664), (8816, 228926), (13456, 149986), (15788, 127832), (15979, 126304), (17632, 114463), (26912, 74993), (31576, 63916), (31958, 63152)]