18077885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 27412992

約数和(自身を除く): 9335107

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1321, 1955, 2737, 6605, 9247, 13685, 22457, 30383, 46235, 112285, 151915, 157199, 212681, 516511, 785995, 1063405, 2582555, 3615577, 18077885]

約数ペア:

[(1, 18077885), (5, 3615577), (7, 2582555), (17, 1063405), (23, 785995), (35, 516511), (85, 212681), (115, 157199), (119, 151915), (161, 112285), (391, 46235), (595, 30383), (805, 22457), (1321, 13685), (1955, 9247), (2737, 6605)]