18806445

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2843}}^1$

素因数の和:2871

約数の個数: 48

約数和(自身を含む): 38905920

約数和(自身を除く): 20099475

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 2843, 6615, 8529, 14215, 19901, 25587, 42645, 59703, 76761, 99505, 127935, 139307, 179109, 298515, 383805, 417921, 537327, 696535, 895545, 1253763, 2089605, 2686635, 3761289, 6268815, 18806445]

約数ペア:

[(1, 18806445), (3, 6268815), (5, 3761289), (7, 2686635), (9, 2089605), (15, 1253763), (21, 895545), (27, 696535), (35, 537327), (45, 417921), (49, 383805), (63, 298515), (105, 179109), (135, 139307), (147, 127935), (189, 99505), (245, 76761), (315, 59703), (441, 42645), (735, 25587), (945, 19901), (1323, 14215), (2205, 8529), (2843, 6615)]