19943056

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 46747008

約数和(自身を除く): 26803952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 43, 56, 82, 86, 101, 112, 164, 172, 202, 287, 301, 328, 344, 404, 574, 602, 656, 688, 707, 808, 1148, 1204, 1414, 1616, 1763, 2296, 2408, 2828, 3526, 4141, 4343, 4592, 4816, 5656, 7052, 8282, 8686, 11312, 12341, 14104, 16564, 17372, 24682, 28208, 28987, 30401, 33128, 34744, 49364, 57974, 60802, 66256, 69488, 98728, 115948, 121604, 178063, 197456, 231896, 243208, 356126, 463792, 486416, 712252, 1246441, 1424504, 2492882, 2849008, 4985764, 9971528, 19943056]

約数ペア:

[(1, 19943056), (2, 9971528), (4, 4985764), (7, 2849008), (8, 2492882), (14, 1424504), (16, 1246441), (28, 712252), (41, 486416), (43, 463792), (56, 356126), (82, 243208), (86, 231896), (101, 197456), (112, 178063), (164, 121604), (172, 115948), (202, 98728), (287, 69488), (301, 66256), (328, 60802), (344, 57974), (404, 49364), (574, 34744), (602, 33128), (656, 30401), (688, 28987), (707, 28208), (808, 24682), (1148, 17372), (1204, 16564), (1414, 14104), (1616, 12341), (1763, 11312), (2296, 8686), (2408, 8282), (2828, 7052), (3526, 5656), (4141, 4816), (4343, 4592)]