2781904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{9151}}^1$

素因数の和:9178

約数の個数: 20

約数和(自身を含む): 5674240

約数和(自身を除く): 2892336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 9151, 18302, 36604, 73208, 146416, 173869, 347738, 695476, 1390952, 2781904]

約数ペア:

[(1, 2781904), (2, 1390952), (4, 695476), (8, 347738), (16, 173869), (19, 146416), (38, 73208), (76, 36604), (152, 18302), (304, 9151)]