19661152

素因数分解:

$2^5\times 7^2\times {\mathrm{12539}}^1$

素因数の和:12563

約数の個数: 36

約数和(自身を含む): 45031140

約数和(自身を除く): 25369988

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12539, 25078, 50156, 87773, 100312, 175546, 200624, 351092, 401248, 614411, 702184, 1228822, 1404368, 2457644, 2808736, 4915288, 9830576, 19661152]

約数ペア:

[(1, 19661152), (2, 9830576), (4, 4915288), (7, 2808736), (8, 2457644), (14, 1404368), (16, 1228822), (28, 702184), (32, 614411), (49, 401248), (56, 351092), (98, 200624), (112, 175546), (196, 100312), (224, 87773), (392, 50156), (784, 25078), (1568, 12539)]