19205865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3246

約数の個数: 48

約数和(自身を含む): 40060800

約数和(自身を除く): 20854935

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3209, 5985, 9627, 16045, 22463, 28881, 48135, 60971, 67389, 112315, 144405, 182913, 202167, 304855, 336945, 426797, 548739, 914565, 1010835, 1280391, 2133985, 2743695, 3841173, 6401955, 19205865]

約数ペア:

[(1, 19205865), (3, 6401955), (5, 3841173), (7, 2743695), (9, 2133985), (15, 1280391), (19, 1010835), (21, 914565), (35, 548739), (45, 426797), (57, 336945), (63, 304855), (95, 202167), (105, 182913), (133, 144405), (171, 112315), (285, 67389), (315, 60971), (399, 48135), (665, 28881), (855, 22463), (1197, 16045), (1995, 9627), (3209, 5985)]