19976649

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5087}}^1$

素因数の和:5125

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 15191607

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5087, 15261, 35609, 55957, 86479, 106827, 167871, 259437, 391699, 605353, 951269, 1175097, 1816059, 2853807, 6658883, 19976649]

約数ペア:

[(1, 19976649), (3, 6658883), (7, 2853807), (11, 1816059), (17, 1175097), (21, 951269), (33, 605353), (51, 391699), (77, 259437), (119, 167871), (187, 106827), (231, 86479), (357, 55957), (561, 35609), (1309, 15261), (3927, 5087)]