19815386

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5417}}^1$

素因数の和:5509

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11392294

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5417, 10834, 167927, 319603, 335854, 639206, 9907693, 19815386]

約数ペア:

[(1, 19815386), (2, 9907693), (31, 639206), (59, 335854), (62, 319603), (118, 167927), (1829, 10834), (3658, 5417)]