18772376884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13000261}}^1$

素因数の和:13000303

約数の個数: 18

約数和(自身を含む): 34671698754

約数和(自身を除く): 15899321870

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13000261, 26000522, 52001044, 247004959, 494009918, 988019836, 4693094221, 9386188442, 18772376884]

約数ペア:

[(1, 18772376884), (2, 9386188442), (4, 4693094221), (19, 988019836), (38, 494009918), (76, 247004959), (361, 52001044), (722, 26000522), (1444, 13000261)]