18219898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{4943}}^1$

素因数の和:5061

約数の個数: 16

約数和(自身を含む): 29070720

約数和(自身を除く): 10850822

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 4943, 9886, 93917, 187834, 479471, 958942, 9109949, 18219898]

約数ペア:

[(1, 18219898), (2, 9109949), (19, 958942), (38, 479471), (97, 187834), (194, 93917), (1843, 9886), (3686, 4943)]