19845728

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4663}}^1$

素因数の和:4699

約数の個数: 48

約数和(自身を含む): 47013120

約数和(自身を除く): 27167392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4663, 9326, 18652, 32641, 37304, 65282, 74608, 88597, 130564, 149216, 177194, 261128, 354388, 522256, 620179, 708776, 1044512, 1240358, 1417552, 2480716, 2835104, 4961432, 9922864, 19845728]

約数ペア:

[(1, 19845728), (2, 9922864), (4, 4961432), (7, 2835104), (8, 2480716), (14, 1417552), (16, 1240358), (19, 1044512), (28, 708776), (32, 620179), (38, 522256), (56, 354388), (76, 261128), (112, 177194), (133, 149216), (152, 130564), (224, 88597), (266, 74608), (304, 65282), (532, 37304), (608, 32641), (1064, 18652), (2128, 9326), (4256, 4663)]