18596995

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 23889600

約数和(自身を除く): 5292605

約数列:

[1, 5, 23, 79, 89, 115, 395, 445, 529, 1817, 2047, 2645, 7031, 9085, 10235, 35155, 41791, 47081, 161713, 208955, 235405, 808565, 3719399, 18596995]

約数ペア:

[(1, 18596995), (5, 3719399), (23, 808565), (79, 235405), (89, 208955), (115, 161713), (395, 47081), (445, 41791), (529, 35155), (1817, 10235), (2047, 9085), (2645, 7031)]