19329921

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 32410560

約数和(自身を除く): 13080639

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 211, 243, 261, 351, 377, 633, 783, 1053, 1131, 1899, 2349, 2743, 3159, 3393, 5697, 6119, 7047, 8229, 10179, 17091, 18357, 24687, 30537, 51273, 55071, 74061, 79547, 91611, 165213, 222183, 238641, 495639, 666549, 715923, 1486917, 2147769, 6443307, 19329921]

約数ペア:

[(1, 19329921), (3, 6443307), (9, 2147769), (13, 1486917), (27, 715923), (29, 666549), (39, 495639), (81, 238641), (87, 222183), (117, 165213), (211, 91611), (243, 79547), (261, 74061), (351, 55071), (377, 51273), (633, 30537), (783, 24687), (1053, 18357), (1131, 17091), (1899, 10179), (2349, 8229), (2743, 7047), (3159, 6119), (3393, 5697)]