19945862

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3391}}^1$

素因数の和:3583

約数の個数: 16

約数和(自身を含む): 31871232

約数和(自身を除く): 11925370

約数列:

[1, 2, 17, 34, 173, 346, 2941, 3391, 5882, 6782, 57647, 115294, 586643, 1173286, 9972931, 19945862]

約数ペア:

[(1, 19945862), (2, 9972931), (17, 1173286), (34, 586643), (173, 115294), (346, 57647), (2941, 6782), (3391, 5882)]