18115552

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6251

約数の個数: 48

約数和(自身を含む): 43902432

約数和(自身を除く): 25786880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6221, 12442, 24884, 43547, 49768, 80873, 87094, 99536, 161746, 174188, 199072, 323492, 348376, 566111, 646984, 696752, 1132222, 1293968, 1393504, 2264444, 2587936, 4528888, 9057776, 18115552]

約数ペア:

[(1, 18115552), (2, 9057776), (4, 4528888), (7, 2587936), (8, 2264444), (13, 1393504), (14, 1293968), (16, 1132222), (26, 696752), (28, 646984), (32, 566111), (52, 348376), (56, 323492), (91, 199072), (104, 174188), (112, 161746), (182, 99536), (208, 87094), (224, 80873), (364, 49768), (416, 43547), (728, 24884), (1456, 12442), (2912, 6221)]