19815546

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 21210054

約数列:

[1, 2, 3, 6, 41, 82, 109, 123, 218, 246, 327, 654, 739, 1478, 2217, 4434, 4469, 8938, 13407, 26814, 30299, 60598, 80551, 90897, 161102, 181794, 241653, 483306, 3302591, 6605182, 9907773, 19815546]

約数ペア:

[(1, 19815546), (2, 9907773), (3, 6605182), (6, 3302591), (41, 483306), (82, 241653), (109, 181794), (123, 161102), (218, 90897), (246, 80551), (327, 60598), (654, 30299), (739, 26814), (1478, 13407), (2217, 8938), (4434, 4469)]