19643120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5011}}^1$

素因数の和:5038

約数の個数: 60

約数和(自身を含む): 53137224

約数和(自身を除く): 33494104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5011, 10022, 20044, 25055, 35077, 40088, 50110, 70154, 80176, 100220, 140308, 175385, 200440, 245539, 280616, 350770, 400880, 491078, 561232, 701540, 982156, 1227695, 1403080, 1964312, 2455390, 2806160, 3928624, 4910780, 9821560, 19643120]

約数ペア:

[(1, 19643120), (2, 9821560), (4, 4910780), (5, 3928624), (7, 2806160), (8, 2455390), (10, 1964312), (14, 1403080), (16, 1227695), (20, 982156), (28, 701540), (35, 561232), (40, 491078), (49, 400880), (56, 350770), (70, 280616), (80, 245539), (98, 200440), (112, 175385), (140, 140308), (196, 100220), (245, 80176), (280, 70154), (392, 50110), (490, 40088), (560, 35077), (784, 25055), (980, 20044), (1960, 10022), (3920, 5011)]