19192490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 38129400

約数和(自身を除く): 18936910

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 229, 289, 290, 458, 493, 578, 986, 1145, 1445, 2290, 2465, 2890, 3893, 4930, 6641, 7786, 8381, 13282, 16762, 19465, 33205, 38930, 41905, 66181, 66410, 83810, 112897, 132362, 225794, 330905, 564485, 661810, 1128970, 1919249, 3838498, 9596245, 19192490]

約数ペア:

[(1, 19192490), (2, 9596245), (5, 3838498), (10, 1919249), (17, 1128970), (29, 661810), (34, 564485), (58, 330905), (85, 225794), (145, 132362), (170, 112897), (229, 83810), (289, 66410), (290, 66181), (458, 41905), (493, 38930), (578, 33205), (986, 19465), (1145, 16762), (1445, 13282), (2290, 8381), (2465, 7786), (2890, 6641), (3893, 4930)]