18804900950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^2\times {\mathrm{881}}^1$

素因数の和:1298

約数の個数: 72

約数和(自身を含む): 38395058184

約数和(自身を除く): 19590157234

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 881, 985, 1762, 1970, 2167, 4334, 4405, 4925, 8810, 9691, 9850, 10835, 19382, 21670, 22025, 38809, 44050, 48455, 54175, 77618, 96910, 108350, 173557, 194045, 242275, 347114, 388090, 426899, 484550, 853798, 867785, 970225, 1735570, 1909127, 1940450, 2134495, 3818254, 4268990, 4338925, 8677850, 9545635, 10672475, 19091270, 21344950, 34190729, 47728175, 68381458, 95456350, 170953645, 341907290, 376098019, 752196038, 854768225, 1709536450, 1880490095, 3760980190, 9402450475, 18804900950]

約数ペア:

[(1, 18804900950), (2, 9402450475), (5, 3760980190), (10, 1880490095), (11, 1709536450), (22, 854768225), (25, 752196038), (50, 376098019), (55, 341907290), (110, 170953645), (197, 95456350), (275, 68381458), (394, 47728175), (550, 34190729), (881, 21344950), (985, 19091270), (1762, 10672475), (1970, 9545635), (2167, 8677850), (4334, 4338925), (4405, 4268990), (4925, 3818254), (8810, 2134495), (9691, 1940450), (9850, 1909127), (10835, 1735570), (19382, 970225), (21670, 867785), (22025, 853798), (38809, 484550), (44050, 426899), (48455, 388090), (54175, 347114), (77618, 242275), (96910, 194045), (108350, 173557)]