19471360

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3803}}^1$

素因数の和:3828

約数の個数: 44

約数和(自身を含む): 46720728

約数和(自身を除く): 27249368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3803, 5120, 7606, 15212, 19015, 30424, 38030, 60848, 76060, 121696, 152120, 243392, 304240, 486784, 608480, 973568, 1216960, 1947136, 2433920, 3894272, 4867840, 9735680, 19471360]

約数ペア:

[(1, 19471360), (2, 9735680), (4, 4867840), (5, 3894272), (8, 2433920), (10, 1947136), (16, 1216960), (20, 973568), (32, 608480), (40, 486784), (64, 304240), (80, 243392), (128, 152120), (160, 121696), (256, 76060), (320, 60848), (512, 38030), (640, 30424), (1024, 19015), (1280, 15212), (2560, 7606), (3803, 5120)]