19876641

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3259}}^1$

素因数の和:3388

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 8289759

約数列:

[1, 3, 19, 57, 107, 321, 2033, 3259, 6099, 9777, 61921, 185763, 348713, 1046139, 6625547, 19876641]

約数ペア:

[(1, 19876641), (3, 6625547), (19, 1046139), (57, 348713), (107, 185763), (321, 61921), (2033, 9777), (3259, 6099)]