19896273

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14449}}^1$

素因数の和:14478

約数の個数: 20

約数和(自身を含む): 31472100

約数和(自身を除く): 11575827

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14449, 43347, 130041, 245633, 390123, 736899, 1170369, 2210697, 6632091, 19896273]

約数ペア:

[(1, 19896273), (3, 6632091), (9, 2210697), (17, 1170369), (27, 736899), (51, 390123), (81, 245633), (153, 130041), (459, 43347), (1377, 14449)]