18741650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1297}}^1$

素因数の和:1343

約数の個数: 36

約数和(自身を含む): 37059198

約数和(自身を除く): 18317548

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1297, 1445, 2594, 2890, 6485, 7225, 12970, 14450, 22049, 32425, 44098, 64850, 110245, 220490, 374833, 551225, 749666, 1102450, 1874165, 3748330, 9370825, 18741650]

約数ペア:

[(1, 18741650), (2, 9370825), (5, 3748330), (10, 1874165), (17, 1102450), (25, 749666), (34, 551225), (50, 374833), (85, 220490), (170, 110245), (289, 64850), (425, 44098), (578, 32425), (850, 22049), (1297, 14450), (1445, 12970), (2594, 7225), (2890, 6485)]