18708387110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{87541}}^1$

素因数の和:87669

約数の個数: 64

約数和(自身を含む): 39935960064

約数和(自身を除く): 21227572954

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 71, 86, 142, 215, 301, 355, 430, 497, 602, 710, 994, 1505, 2485, 3010, 3053, 4970, 6106, 15265, 21371, 30530, 42742, 87541, 106855, 175082, 213710, 437705, 612787, 875410, 1225574, 3063935, 3764263, 6127870, 6215411, 7528526, 12430822, 18821315, 26349841, 31077055, 37642630, 43507877, 52699682, 62154110, 87015754, 131749205, 217539385, 263498410, 267262673, 435078770, 534525346, 1336313365, 1870838711, 2672626730, 3741677422, 9354193555, 18708387110]

約数ペア:

[(1, 18708387110), (2, 9354193555), (5, 3741677422), (7, 2672626730), (10, 1870838711), (14, 1336313365), (35, 534525346), (43, 435078770), (70, 267262673), (71, 263498410), (86, 217539385), (142, 131749205), (215, 87015754), (301, 62154110), (355, 52699682), (430, 43507877), (497, 37642630), (602, 31077055), (710, 26349841), (994, 18821315), (1505, 12430822), (2485, 7528526), (3010, 6215411), (3053, 6127870), (4970, 3764263), (6106, 3063935), (15265, 1225574), (21371, 875410), (30530, 612787), (42742, 437705), (87541, 213710), (106855, 175082)]