19051305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 39771648

約数和(自身を除く): 20720343

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 821, 1105, 1365, 1547, 1785, 2463, 3315, 4105, 4641, 5747, 7735, 10673, 12315, 13957, 17241, 23205, 28735, 32019, 41871, 53365, 69785, 74711, 86205, 97699, 160095, 181441, 209355, 224133, 293097, 373555, 488495, 544323, 907205, 1120665, 1270087, 1465485, 2721615, 3810261, 6350435, 19051305]

約数ペア:

[(1, 19051305), (3, 6350435), (5, 3810261), (7, 2721615), (13, 1465485), (15, 1270087), (17, 1120665), (21, 907205), (35, 544323), (39, 488495), (51, 373555), (65, 293097), (85, 224133), (91, 209355), (105, 181441), (119, 160095), (195, 97699), (221, 86205), (255, 74711), (273, 69785), (357, 53365), (455, 41871), (595, 32019), (663, 28735), (821, 23205), (1105, 17241), (1365, 13957), (1547, 12315), (1785, 10673), (2463, 7735), (3315, 5747), (4105, 4641)]