18999035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{653}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 26039664

約数和(自身を除く): 7040629

約数列:

[1, 5, 11, 23, 55, 115, 253, 529, 653, 1265, 2645, 3265, 5819, 7183, 15019, 29095, 35915, 75095, 165209, 345437, 826045, 1727185, 3799807, 18999035]

約数ペア:

[(1, 18999035), (5, 3799807), (11, 1727185), (23, 826045), (55, 345437), (115, 165209), (253, 75095), (529, 35915), (653, 29095), (1265, 15019), (2645, 7183), (3265, 5819)]