18112016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4583}}^1$

素因数の和:4623

約数の個数: 40

約数和(自身を含む): 39789120

約数和(自身を除く): 21677104

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4583, 9166, 18332, 36664, 59579, 73328, 87077, 119158, 174154, 238316, 348308, 476632, 696616, 953264, 1132001, 1393232, 2264002, 4528004, 9056008, 18112016]

約数ペア:

[(1, 18112016), (2, 9056008), (4, 4528004), (8, 2264002), (13, 1393232), (16, 1132001), (19, 953264), (26, 696616), (38, 476632), (52, 348308), (76, 238316), (104, 174154), (152, 119158), (208, 87077), (247, 73328), (304, 59579), (494, 36664), (988, 18332), (1976, 9166), (3952, 4583)]