18016537

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 22982400

約数和(自身を除く): 4965863

約数列:

[1, 7, 11, 77, 89, 121, 239, 623, 847, 979, 1673, 2629, 6853, 10769, 18403, 21271, 28919, 75383, 148897, 202433, 233981, 1637867, 2573791, 18016537]

約数ペア:

[(1, 18016537), (7, 2573791), (11, 1637867), (77, 233981), (89, 202433), (121, 148897), (239, 75383), (623, 28919), (847, 21271), (979, 18403), (1673, 10769), (2629, 6853)]