19965393

素因数分解:

$3^3\times 7^2\times {\mathrm{15091}}^1$

素因数の和:15114

約数の個数: 24

約数和(自身を含む): 34409760

約数和(自身を除く): 14444367

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15091, 45273, 105637, 135819, 316911, 407457, 739459, 950733, 2218377, 2852199, 6655131, 19965393]

約数ペア:

[(1, 19965393), (3, 6655131), (7, 2852199), (9, 2218377), (21, 950733), (27, 739459), (49, 407457), (63, 316911), (147, 135819), (189, 105637), (441, 45273), (1323, 15091)]