19654664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 19398136

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 191, 382, 677, 764, 1354, 1528, 2708, 3629, 5416, 7258, 12863, 14516, 25726, 29032, 51452, 102904, 129307, 258614, 517228, 1034456, 2456833, 4913666, 9827332, 19654664]

約数ペア:

[(1, 19654664), (2, 9827332), (4, 4913666), (8, 2456833), (19, 1034456), (38, 517228), (76, 258614), (152, 129307), (191, 102904), (382, 51452), (677, 29032), (764, 25726), (1354, 14516), (1528, 12863), (2708, 7258), (3629, 5416)]