19551760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 60

約数和(自身を含む): 48047148

約数和(自身を除く): 28495388

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 677, 722, 760, 1354, 1444, 1520, 1805, 2708, 2888, 3385, 3610, 5416, 5776, 6770, 7220, 10832, 12863, 13540, 14440, 25726, 27080, 28880, 51452, 54160, 64315, 102904, 128630, 205808, 244397, 257260, 488794, 514520, 977588, 1029040, 1221985, 1955176, 2443970, 3910352, 4887940, 9775880, 19551760]

約数ペア:

[(1, 19551760), (2, 9775880), (4, 4887940), (5, 3910352), (8, 2443970), (10, 1955176), (16, 1221985), (19, 1029040), (20, 977588), (38, 514520), (40, 488794), (76, 257260), (80, 244397), (95, 205808), (152, 128630), (190, 102904), (304, 64315), (361, 54160), (380, 51452), (677, 28880), (722, 27080), (760, 25726), (1354, 14440), (1444, 13540), (1520, 12863), (1805, 10832), (2708, 7220), (2888, 6770), (3385, 5776), (3610, 5416)]