19212076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6971}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 36895824

約数和(自身を除く): 17683748

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 6971, 13942, 27884, 90623, 181246, 362492, 369463, 738926, 1477852, 4803019, 9606038, 19212076]

約数ペア:

[(1, 19212076), (2, 9606038), (4, 4803019), (13, 1477852), (26, 738926), (52, 369463), (53, 362492), (106, 181246), (212, 90623), (689, 27884), (1378, 13942), (2756, 6971)]