19378235

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 24300000

約数和(自身を除く): 4921765

約数列:

[1, 5, 29, 107, 145, 535, 1249, 3103, 6245, 15515, 36221, 133643, 181105, 668215, 3875647, 19378235]

約数ペア:

[(1, 19378235), (5, 3875647), (29, 668215), (107, 181105), (145, 133643), (535, 36221), (1249, 15515), (3103, 6245)]