19979792

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 47913600

約数和(自身を除く): 27933808

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 229, 266, 287, 304, 328, 458, 532, 574, 656, 779, 916, 1064, 1148, 1558, 1603, 1832, 2128, 2296, 3116, 3206, 3664, 4351, 4592, 5453, 6232, 6412, 8702, 9389, 10906, 12464, 12824, 17404, 18778, 21812, 25648, 30457, 34808, 37556, 43624, 60914, 65723, 69616, 75112, 87248, 121828, 131446, 150224, 178391, 243656, 262892, 356782, 487312, 525784, 713564, 1051568, 1248737, 1427128, 2497474, 2854256, 4994948, 9989896, 19979792]

約数ペア:

[(1, 19979792), (2, 9989896), (4, 4994948), (7, 2854256), (8, 2497474), (14, 1427128), (16, 1248737), (19, 1051568), (28, 713564), (38, 525784), (41, 487312), (56, 356782), (76, 262892), (82, 243656), (112, 178391), (133, 150224), (152, 131446), (164, 121828), (229, 87248), (266, 75112), (287, 69616), (304, 65723), (328, 60914), (458, 43624), (532, 37556), (574, 34808), (656, 30457), (779, 25648), (916, 21812), (1064, 18778), (1148, 17404), (1558, 12824), (1603, 12464), (1832, 10906), (2128, 9389), (2296, 8702), (3116, 6412), (3206, 6232), (3664, 5453), (4351, 4592)]