19661686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13339}}^1$

素因数の和:13419

約数の個数: 16

約数和(自身を含む): 32656320

約数和(自身を除く): 12994634

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13339, 26678, 146729, 293458, 893713, 1787426, 9830843, 19661686]

約数ペア:

[(1, 19661686), (2, 9830843), (11, 1787426), (22, 893713), (67, 293458), (134, 146729), (737, 26678), (1474, 13339)]