18572377957

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 23634049536

約数和(自身を除く): 5061671579

約数列:

[1, 7, 17, 37, 67, 119, 157, 259, 401, 469, 629, 1099, 1139, 2479, 2669, 2807, 4403, 5809, 6817, 7973, 10519, 14837, 17353, 18683, 26867, 40663, 42143, 47719, 62957, 73633, 98753, 103859, 178823, 188069, 252229, 295001, 389203, 440699, 456739, 691271, 994079, 1070269, 1251761, 1765603, 2329409, 2724421, 3197173, 4218119, 6616451, 6958553, 7491883, 16305863, 16899343, 29526833, 39599953, 46315157, 71708023, 118295401, 156070403, 277199671, 501956161, 1092492821, 2653196851, 18572377957]

約数ペア:

[(1, 18572377957), (7, 2653196851), (17, 1092492821), (37, 501956161), (67, 277199671), (119, 156070403), (157, 118295401), (259, 71708023), (401, 46315157), (469, 39599953), (629, 29526833), (1099, 16899343), (1139, 16305863), (2479, 7491883), (2669, 6958553), (2807, 6616451), (4403, 4218119), (5809, 3197173), (6817, 2724421), (7973, 2329409), (10519, 1765603), (14837, 1251761), (17353, 1070269), (18683, 994079), (26867, 691271), (40663, 456739), (42143, 440699), (47719, 389203), (62957, 295001), (73633, 252229), (98753, 188069), (103859, 178823)]