19200405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 36180864

約数和(自身を除く): 16980459

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 151, 173, 245, 453, 519, 735, 755, 865, 1057, 1211, 2265, 2595, 3171, 3633, 5285, 6055, 7399, 8477, 15855, 18165, 22197, 25431, 26123, 36995, 42385, 78369, 110985, 127155, 130615, 182861, 391845, 548583, 914305, 1280027, 2742915, 3840081, 6400135, 19200405]

約数ペア:

[(1, 19200405), (3, 6400135), (5, 3840081), (7, 2742915), (15, 1280027), (21, 914305), (35, 548583), (49, 391845), (105, 182861), (147, 130615), (151, 127155), (173, 110985), (245, 78369), (453, 42385), (519, 36995), (735, 26123), (755, 25431), (865, 22197), (1057, 18165), (1211, 15855), (2265, 8477), (2595, 7399), (3171, 6055), (3633, 5285)]