19092458

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 17843542

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 199, 398, 539, 623, 979, 1078, 1246, 1393, 1958, 2189, 2786, 4361, 4378, 6853, 8722, 9751, 13706, 15323, 17711, 19502, 30646, 35422, 47971, 95942, 107261, 123977, 194821, 214522, 247954, 389642, 867839, 1363747, 1735678, 2727494, 9546229, 19092458]

約数ペア:

[(1, 19092458), (2, 9546229), (7, 2727494), (11, 1735678), (14, 1363747), (22, 867839), (49, 389642), (77, 247954), (89, 214522), (98, 194821), (154, 123977), (178, 107261), (199, 95942), (398, 47971), (539, 35422), (623, 30646), (979, 19502), (1078, 17711), (1246, 15323), (1393, 13706), (1958, 9751), (2189, 8722), (2786, 6853), (4361, 4378)]