18738250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{4409}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 37149840

約数和(自身を除く): 18411590

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 4409, 8818, 22045, 44090, 74953, 110225, 149906, 220450, 374765, 551125, 749530, 1102250, 1873825, 3747650, 9369125, 18738250]

約数ペア:

[(1, 18738250), (2, 9369125), (5, 3747650), (10, 1873825), (17, 1102250), (25, 749530), (34, 551125), (50, 374765), (85, 220450), (125, 149906), (170, 110225), (250, 74953), (425, 44090), (850, 22045), (2125, 8818), (4250, 4409)]