19074540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1237}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 53659872

約数和(自身を除く): 34585332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1237, 1285, 1542, 2474, 2570, 3084, 3711, 3855, 4948, 5140, 6185, 7422, 7710, 12370, 14844, 15420, 18555, 24740, 37110, 74220, 317909, 635818, 953727, 1271636, 1589545, 1907454, 3179090, 3814908, 4768635, 6358180, 9537270, 19074540]

約数ペア:

[(1, 19074540), (2, 9537270), (3, 6358180), (4, 4768635), (5, 3814908), (6, 3179090), (10, 1907454), (12, 1589545), (15, 1271636), (20, 953727), (30, 635818), (60, 317909), (257, 74220), (514, 37110), (771, 24740), (1028, 18555), (1237, 15420), (1285, 14844), (1542, 12370), (2474, 7710), (2570, 7422), (3084, 6185), (3711, 5140), (3855, 4948)]