19938518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18917}}^1$

素因数の和:18967

約数の個数: 16

約数和(自身を含む): 32690304

約数和(自身を除く): 12751786

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 18917, 37834, 321589, 586427, 643178, 1172854, 9969259, 19938518]

約数ペア:

[(1, 19938518), (2, 9969259), (17, 1172854), (31, 643178), (34, 586427), (62, 321589), (527, 37834), (1054, 18917)]