19088540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 23489380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 263, 380, 382, 526, 764, 955, 1052, 1315, 1910, 2630, 3629, 3820, 4997, 5260, 7258, 9994, 14516, 18145, 19988, 24985, 36290, 49970, 50233, 72580, 99940, 100466, 200932, 251165, 502330, 954427, 1004660, 1908854, 3817708, 4772135, 9544270, 19088540]

約数ペア:

[(1, 19088540), (2, 9544270), (4, 4772135), (5, 3817708), (10, 1908854), (19, 1004660), (20, 954427), (38, 502330), (76, 251165), (95, 200932), (190, 100466), (191, 99940), (263, 72580), (380, 50233), (382, 49970), (526, 36290), (764, 24985), (955, 19988), (1052, 18145), (1315, 14516), (1910, 9994), (2630, 7258), (3629, 5260), (3820, 4997)]