26668666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1667}}^1$

素因数の和:2109

約数の個数: 16

約数和(自身を含む): 42233760

約数和(自身を除く): 15565094

約数列:

[1, 2, 19, 38, 421, 842, 1667, 3334, 7999, 15998, 31673, 63346, 701807, 1403614, 13334333, 26668666]

約数ペア:

[(1, 26668666), (2, 13334333), (19, 1403614), (38, 701807), (421, 63346), (842, 31673), (1667, 15998), (3334, 7999)]