18020272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 37403856

約数和(自身を除く): 19383584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 97, 136, 194, 272, 388, 683, 776, 1366, 1552, 1649, 2732, 3298, 5464, 6596, 10928, 11611, 13192, 23222, 26384, 46444, 66251, 92888, 132502, 185776, 265004, 530008, 1060016, 1126267, 2252534, 4505068, 9010136, 18020272]

約数ペア:

[(1, 18020272), (2, 9010136), (4, 4505068), (8, 2252534), (16, 1126267), (17, 1060016), (34, 530008), (68, 265004), (97, 185776), (136, 132502), (194, 92888), (272, 66251), (388, 46444), (683, 26384), (776, 23222), (1366, 13192), (1552, 11611), (1649, 10928), (2732, 6596), (3298, 5464)]