19843317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5471}}^1$

素因数の和:5521

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 12025611

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5471, 16413, 49239, 71123, 169601, 213369, 508803, 640107, 1526409, 2204813, 6614439, 19843317]

約数ペア:

[(1, 19843317), (3, 6614439), (9, 2204813), (13, 1526409), (31, 640107), (39, 508803), (93, 213369), (117, 169601), (279, 71123), (403, 49239), (1209, 16413), (3627, 5471)]