19998273

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2053}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 28394496

約数和(自身を除く): 8396223

約数列:

[1, 3, 17, 51, 191, 573, 2053, 3247, 6159, 9741, 34901, 104703, 392123, 1176369, 6666091, 19998273]

約数ペア:

[(1, 19998273), (3, 6666091), (17, 1176369), (51, 392123), (191, 104703), (573, 34901), (2053, 9741), (3247, 6159)]