19714040

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{911}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 44487360

約数和(自身を除く): 24773320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 911, 1082, 1822, 2164, 2705, 3644, 4328, 4555, 5410, 7288, 9110, 10820, 18220, 21640, 36440, 492851, 985702, 1971404, 2464255, 3942808, 4928510, 9857020, 19714040]

約数ペア:

[(1, 19714040), (2, 9857020), (4, 4928510), (5, 3942808), (8, 2464255), (10, 1971404), (20, 985702), (40, 492851), (541, 36440), (911, 21640), (1082, 18220), (1822, 10820), (2164, 9110), (2705, 7288), (3644, 5410), (4328, 4555)]