19516822

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4339}}^1$

素因数の和:4527

約数の個数: 16

約数和(自身を含む): 31716720

約数和(自身を除く): 12199898

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4339, 4498, 8678, 56407, 112814, 750647, 1501294, 9758411, 19516822]

約数ペア:

[(1, 19516822), (2, 9758411), (13, 1501294), (26, 750647), (173, 112814), (346, 56407), (2249, 8678), (4339, 4498)]