18738861984

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1513151}}^1$

素因数の和:1513210

約数の個数: 72

約数和(自身を含む): 54527945472

約数和(自身を除く): 35789083488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 1513151, 3026302, 4539453, 6052604, 9078906, 12105208, 13618359, 18157812, 24210416, 27236718, 36315624, 48420832, 54473436, 65065493, 72631248, 108946872, 130130986, 145262496, 195196479, 217893744, 260261972, 390392958, 435787488, 520523944, 585589437, 780785916, 1041047888, 1171178874, 1561571832, 2082095776, 2342357748, 3123143664, 4684715496, 6246287328, 9369430992, 18738861984]

約数ペア:

[(1, 18738861984), (2, 9369430992), (3, 6246287328), (4, 4684715496), (6, 3123143664), (8, 2342357748), (9, 2082095776), (12, 1561571832), (16, 1171178874), (18, 1041047888), (24, 780785916), (32, 585589437), (36, 520523944), (43, 435787488), (48, 390392958), (72, 260261972), (86, 217893744), (96, 195196479), (129, 145262496), (144, 130130986), (172, 108946872), (258, 72631248), (288, 65065493), (344, 54473436), (387, 48420832), (516, 36315624), (688, 27236718), (774, 24210416), (1032, 18157812), (1376, 13618359), (1548, 12105208), (2064, 9078906), (3096, 6052604), (4128, 4539453), (6192, 3026302), (12384, 1513151)]