19621280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17519}}^1$

素因数の和:17541

約数の個数: 48

約数和(自身を含む): 52980480

約数和(自身を除く): 33359200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17519, 35038, 70076, 87595, 122633, 140152, 175190, 245266, 280304, 350380, 490532, 560608, 613165, 700760, 981064, 1226330, 1401520, 1962128, 2452660, 2803040, 3924256, 4905320, 9810640, 19621280]

約数ペア:

[(1, 19621280), (2, 9810640), (4, 4905320), (5, 3924256), (7, 2803040), (8, 2452660), (10, 1962128), (14, 1401520), (16, 1226330), (20, 981064), (28, 700760), (32, 613165), (35, 560608), (40, 490532), (56, 350380), (70, 280304), (80, 245266), (112, 175190), (140, 140152), (160, 122633), (224, 87595), (280, 70076), (560, 35038), (1120, 17519)]