18069500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 40098240

約数和(自身を除く): 22028740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 509, 710, 1018, 1420, 1775, 2036, 2545, 3550, 5090, 7100, 8875, 10180, 12725, 17750, 25450, 35500, 36139, 50900, 63625, 72278, 127250, 144556, 180695, 254500, 361390, 722780, 903475, 1806950, 3613900, 4517375, 9034750, 18069500]

約数ペア:

[(1, 18069500), (2, 9034750), (4, 4517375), (5, 3613900), (10, 1806950), (20, 903475), (25, 722780), (50, 361390), (71, 254500), (100, 180695), (125, 144556), (142, 127250), (250, 72278), (284, 63625), (355, 50900), (500, 36139), (509, 35500), (710, 25450), (1018, 17750), (1420, 12725), (1775, 10180), (2036, 8875), (2545, 7100), (3550, 5090)]