18937000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 45910800

約数和(自身を除く): 26973800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 653, 725, 1000, 1160, 1306, 1450, 2612, 2900, 3265, 3625, 5224, 5800, 6530, 7250, 13060, 14500, 16325, 18937, 26120, 29000, 32650, 37874, 65300, 75748, 81625, 94685, 130600, 151496, 163250, 189370, 326500, 378740, 473425, 653000, 757480, 946850, 1893700, 2367125, 3787400, 4734250, 9468500, 18937000]

約数ペア:

[(1, 18937000), (2, 9468500), (4, 4734250), (5, 3787400), (8, 2367125), (10, 1893700), (20, 946850), (25, 757480), (29, 653000), (40, 473425), (50, 378740), (58, 326500), (100, 189370), (116, 163250), (125, 151496), (145, 130600), (200, 94685), (232, 81625), (250, 75748), (290, 65300), (500, 37874), (580, 32650), (653, 29000), (725, 26120), (1000, 18937), (1160, 16325), (1306, 14500), (1450, 13060), (2612, 7250), (2900, 6530), (3265, 5800), (3625, 5224)]