19875976

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3109

約数の個数: 32

約数和(自身を含む): 40154400

約数和(自身を除く): 20278424

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3041, 3268, 6082, 6536, 12164, 24328, 57779, 115558, 130763, 231116, 261526, 462232, 523052, 1046104, 2484497, 4968994, 9937988, 19875976]

約数ペア:

[(1, 19875976), (2, 9937988), (4, 4968994), (8, 2484497), (19, 1046104), (38, 523052), (43, 462232), (76, 261526), (86, 231116), (152, 130763), (172, 115558), (344, 57779), (817, 24328), (1634, 12164), (3041, 6536), (3268, 6082)]