18880600

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 44584200

約数和(自身を除く): 25703600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1409, 1675, 2680, 2818, 3350, 5636, 6700, 7045, 11272, 13400, 14090, 28180, 35225, 56360, 70450, 94403, 140900, 188806, 281800, 377612, 472015, 755224, 944030, 1888060, 2360075, 3776120, 4720150, 9440300, 18880600]

約数ペア:

[(1, 18880600), (2, 9440300), (4, 4720150), (5, 3776120), (8, 2360075), (10, 1888060), (20, 944030), (25, 755224), (40, 472015), (50, 377612), (67, 281800), (100, 188806), (134, 140900), (200, 94403), (268, 70450), (335, 56360), (536, 35225), (670, 28180), (1340, 14090), (1409, 13400), (1675, 11272), (2680, 7045), (2818, 6700), (3350, 5636)]