18059804

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 38572800

約数和(自身を除く): 20512996

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 409, 532, 581, 818, 1162, 1577, 1636, 2324, 2863, 3154, 5726, 6308, 7771, 11039, 11452, 15542, 22078, 31084, 33947, 44156, 54397, 67894, 108794, 135788, 217588, 237629, 475258, 644993, 950516, 1289986, 2579972, 4514951, 9029902, 18059804]

約数ペア:

[(1, 18059804), (2, 9029902), (4, 4514951), (7, 2579972), (14, 1289986), (19, 950516), (28, 644993), (38, 475258), (76, 237629), (83, 217588), (133, 135788), (166, 108794), (266, 67894), (332, 54397), (409, 44156), (532, 33947), (581, 31084), (818, 22078), (1162, 15542), (1577, 11452), (1636, 11039), (2324, 7771), (2863, 6308), (3154, 5726)]