19943352388

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{140221}}^1$

素因数の和:140324

約数の個数: 36

約数和(自身を含む): 37037958636

約数和(自身を除く): 17094606248

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 961, 1147, 1922, 2294, 3844, 4588, 35557, 71114, 140221, 142228, 280442, 560884, 4346851, 5188177, 8693702, 10376354, 17387404, 20752708, 134752381, 160833487, 269504762, 321666974, 539009524, 643333948, 4985838097, 9971676194, 19943352388]

約数ペア:

[(1, 19943352388), (2, 9971676194), (4, 4985838097), (31, 643333948), (37, 539009524), (62, 321666974), (74, 269504762), (124, 160833487), (148, 134752381), (961, 20752708), (1147, 17387404), (1922, 10376354), (2294, 8693702), (3844, 5188177), (4588, 4346851), (35557, 560884), (71114, 280442), (140221, 142228)]