18177268

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 16820492

約数列:

[1, 2, 4, 23, 41, 46, 61, 79, 82, 92, 122, 158, 164, 244, 316, 943, 1403, 1817, 1886, 2501, 2806, 3239, 3634, 3772, 4819, 5002, 5612, 6478, 7268, 9638, 10004, 12956, 19276, 57523, 74497, 110837, 115046, 148994, 197579, 221674, 230092, 297988, 395158, 443348, 790316, 4544317, 9088634, 18177268]

約数ペア:

[(1, 18177268), (2, 9088634), (4, 4544317), (23, 790316), (41, 443348), (46, 395158), (61, 297988), (79, 230092), (82, 221674), (92, 197579), (122, 148994), (158, 115046), (164, 110837), (244, 74497), (316, 57523), (943, 19276), (1403, 12956), (1817, 10004), (1886, 9638), (2501, 7268), (2806, 6478), (3239, 5612), (3634, 5002), (3772, 4819)]