19189886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 31600800

約数和(自身を除く): 12410914

約数列:

[1, 2, 19, 38, 41, 82, 109, 113, 218, 226, 779, 1558, 2071, 2147, 4142, 4294, 4469, 4633, 8938, 9266, 12317, 24634, 84911, 88027, 169822, 176054, 234023, 468046, 504997, 1009994, 9594943, 19189886]

約数ペア:

[(1, 19189886), (2, 9594943), (19, 1009994), (38, 504997), (41, 468046), (82, 234023), (109, 176054), (113, 169822), (218, 88027), (226, 84911), (779, 24634), (1558, 12317), (2071, 9266), (2147, 8938), (4142, 4633), (4294, 4469)]