19913806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19259}}^1$

素因数の和:19319

約数の個数: 16

約数和(自身を含む): 33281280

約数和(自身を除く): 13367474

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19259, 38518, 211849, 423698, 905173, 1810346, 9956903, 19913806]

約数ペア:

[(1, 19913806), (2, 9956903), (11, 1810346), (22, 905173), (47, 423698), (94, 211849), (517, 38518), (1034, 19259)]