18840228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 48879936

約数和(自身を除く): 30039708

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 132, 159, 212, 318, 583, 636, 1166, 1749, 2332, 2693, 3498, 5386, 6996, 8079, 10772, 16158, 29623, 32316, 59246, 88869, 118492, 142729, 177738, 285458, 355476, 428187, 570916, 856374, 1570019, 1712748, 3140038, 4710057, 6280076, 9420114, 18840228]

約数ペア:

[(1, 18840228), (2, 9420114), (3, 6280076), (4, 4710057), (6, 3140038), (11, 1712748), (12, 1570019), (22, 856374), (33, 570916), (44, 428187), (53, 355476), (66, 285458), (106, 177738), (132, 142729), (159, 118492), (212, 88869), (318, 59246), (583, 32316), (636, 29623), (1166, 16158), (1749, 10772), (2332, 8079), (2693, 6996), (3498, 5386)]