18204641

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10529}}^1$

素因数の和:10568

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 5382559

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10529, 73703, 136877, 200051, 958139, 1400357, 2600663, 18204641]

約数ペア:

[(1, 18204641), (7, 2600663), (13, 1400357), (19, 958139), (91, 200051), (133, 136877), (247, 73703), (1729, 10529)]