19862199

素因数分解:

$3^3\times 7^2\times {\mathrm{15013}}^1$

素因数の和:15036

約数の個数: 24

約数和(自身を含む): 34231920

約数和(自身を除く): 14369721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15013, 45039, 105091, 135117, 315273, 405351, 735637, 945819, 2206911, 2837457, 6620733, 19862199]

約数ペア:

[(1, 19862199), (3, 6620733), (7, 2837457), (9, 2206911), (21, 945819), (27, 735637), (49, 405351), (63, 315273), (147, 135117), (189, 105091), (441, 45039), (1323, 15013)]