18009488

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1551

約数の個数: 40

約数和(自身を含む): 40259328

約数和(自身を除く): 22249840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1423, 1582, 1808, 2846, 3164, 5692, 6328, 9961, 11384, 12656, 19922, 22768, 39844, 79688, 159376, 160799, 321598, 643196, 1125593, 1286392, 2251186, 2572784, 4502372, 9004744, 18009488]

約数ペア:

[(1, 18009488), (2, 9004744), (4, 4502372), (7, 2572784), (8, 2251186), (14, 1286392), (16, 1125593), (28, 643196), (56, 321598), (112, 160799), (113, 159376), (226, 79688), (452, 39844), (791, 22768), (904, 19922), (1423, 12656), (1582, 11384), (1808, 9961), (2846, 6328), (3164, 5692)]