18788060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55259}}^1$

素因数の和:55285

約数の個数: 24

約数和(自身を含む): 41776560

約数和(自身を除く): 22988500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55259, 110518, 221036, 276295, 552590, 939403, 1105180, 1878806, 3757612, 4697015, 9394030, 18788060]

約数ペア:

[(1, 18788060), (2, 9394030), (4, 4697015), (5, 3757612), (10, 1878806), (17, 1105180), (20, 939403), (34, 552590), (68, 276295), (85, 221036), (170, 110518), (340, 55259)]