18819272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7283}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 39333600

約数和(自身を除く): 20514328

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7283, 14566, 29132, 58264, 123811, 138377, 247622, 276754, 495244, 553508, 990488, 1107016, 2352409, 4704818, 9409636, 18819272]

約数ペア:

[(1, 18819272), (2, 9409636), (4, 4704818), (8, 2352409), (17, 1107016), (19, 990488), (34, 553508), (38, 495244), (68, 276754), (76, 247622), (136, 138377), (152, 123811), (323, 58264), (646, 29132), (1292, 14566), (2584, 7283)]