18889712

素因数分解:

$2^4\times {\mathrm{67}}^2\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 30

約数和(自身を含む): 37294488

約数和(自身を除く): 18404776

約数列:

[1, 2, 4, 8, 16, 67, 134, 263, 268, 526, 536, 1052, 1072, 2104, 4208, 4489, 8978, 17621, 17956, 35242, 35912, 70484, 71824, 140968, 281936, 1180607, 2361214, 4722428, 9444856, 18889712]

約数ペア:

[(1, 18889712), (2, 9444856), (4, 4722428), (8, 2361214), (16, 1180607), (67, 281936), (134, 140968), (263, 71824), (268, 70484), (526, 35912), (536, 35242), (1052, 17956), (1072, 17621), (2104, 8978), (4208, 4489)]