17872864

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19382816

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 86, 124, 172, 248, 344, 419, 496, 688, 838, 992, 1333, 1376, 1676, 2666, 3352, 5332, 6704, 10664, 12989, 13408, 18017, 21328, 25978, 36034, 42656, 51956, 72068, 103912, 144136, 207824, 288272, 415648, 558527, 576544, 1117054, 2234108, 4468216, 8936432, 17872864]

約数ペア:

[(1, 17872864), (2, 8936432), (4, 4468216), (8, 2234108), (16, 1117054), (31, 576544), (32, 558527), (43, 415648), (62, 288272), (86, 207824), (124, 144136), (172, 103912), (248, 72068), (344, 51956), (419, 42656), (496, 36034), (688, 25978), (838, 21328), (992, 18017), (1333, 13408), (1376, 12989), (1676, 10664), (2666, 6704), (3352, 5332)]