19775964

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7457}}^1$

素因数の和:7494

約数の個数: 48

約数和(自身を含む): 52623648

約数和(自身を除く): 32847684

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7457, 14914, 22371, 29828, 44742, 89484, 96941, 126769, 193882, 253538, 290823, 380307, 387764, 507076, 581646, 760614, 1163292, 1521228, 1647997, 3295994, 4943991, 6591988, 9887982, 19775964]

約数ペア:

[(1, 19775964), (2, 9887982), (3, 6591988), (4, 4943991), (6, 3295994), (12, 1647997), (13, 1521228), (17, 1163292), (26, 760614), (34, 581646), (39, 507076), (51, 387764), (52, 380307), (68, 290823), (78, 253538), (102, 193882), (156, 126769), (204, 96941), (221, 89484), (442, 44742), (663, 29828), (884, 22371), (1326, 14914), (2652, 7457)]