19180138

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:821

約数の個数: 16

約数和(自身を含む): 29302560

約数和(自身を除く): 10122422

約数列:

[1, 2, 83, 166, 227, 454, 509, 1018, 18841, 37682, 42247, 84494, 115543, 231086, 9590069, 19180138]

約数ペア:

[(1, 19180138), (2, 9590069), (83, 231086), (166, 115543), (227, 84494), (454, 42247), (509, 37682), (1018, 18841)]