18543196

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 19841444

約数列:

[1, 2, 4, 7, 14, 28, 79, 83, 101, 158, 166, 202, 316, 332, 404, 553, 581, 707, 1106, 1162, 1414, 2212, 2324, 2828, 6557, 7979, 8383, 13114, 15958, 16766, 26228, 31916, 33532, 45899, 55853, 58681, 91798, 111706, 117362, 183596, 223412, 234724, 662257, 1324514, 2649028, 4635799, 9271598, 18543196]

約数ペア:

[(1, 18543196), (2, 9271598), (4, 4635799), (7, 2649028), (14, 1324514), (28, 662257), (79, 234724), (83, 223412), (101, 183596), (158, 117362), (166, 111706), (202, 91798), (316, 58681), (332, 55853), (404, 45899), (553, 33532), (581, 31916), (707, 26228), (1106, 16766), (1162, 15958), (1414, 13114), (2212, 8383), (2324, 7979), (2828, 6557)]