18806884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 16120316

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1889, 2489, 3778, 4978, 7556, 9956, 35891, 71782, 143564, 247459, 494918, 989836, 4701721, 9403442, 18806884]

約数ペア:

[(1, 18806884), (2, 9403442), (4, 4701721), (19, 989836), (38, 494918), (76, 247459), (131, 143564), (262, 71782), (524, 35891), (1889, 9956), (2489, 7556), (3778, 4978)]