18422992

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1715

約数の個数: 40

約数和(自身を含む): 41215616

約数和(自身を除く): 22792624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1597, 1648, 2884, 3194, 5768, 6388, 11179, 11536, 12776, 22358, 25552, 44716, 89432, 164491, 178864, 328982, 657964, 1151437, 1315928, 2302874, 2631856, 4605748, 9211496, 18422992]

約数ペア:

[(1, 18422992), (2, 9211496), (4, 4605748), (7, 2631856), (8, 2302874), (14, 1315928), (16, 1151437), (28, 657964), (56, 328982), (103, 178864), (112, 164491), (206, 89432), (412, 44716), (721, 25552), (824, 22358), (1442, 12776), (1597, 11536), (1648, 11179), (2884, 6388), (3194, 5768)]