18388048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8641}}^1$

素因数の和:8675

約数の個数: 40

約数和(自身を含む): 42864320

約数和(自身を除く): 24476272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8641, 17282, 34564, 60487, 69128, 120974, 138256, 164179, 241948, 328358, 483896, 656716, 967792, 1149253, 1313432, 2298506, 2626864, 4597012, 9194024, 18388048]

約数ペア:

[(1, 18388048), (2, 9194024), (4, 4597012), (7, 2626864), (8, 2298506), (14, 1313432), (16, 1149253), (19, 967792), (28, 656716), (38, 483896), (56, 328358), (76, 241948), (112, 164179), (133, 138256), (152, 120974), (266, 69128), (304, 60487), (532, 34564), (1064, 17282), (2128, 8641)]