19895458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 33685632

約数和(自身を除く): 13790174

約数列:

[1, 2, 11, 22, 53, 106, 113, 151, 226, 302, 583, 1166, 1243, 1661, 2486, 3322, 5989, 8003, 11978, 16006, 17063, 34126, 65879, 88033, 131758, 176066, 187693, 375386, 904339, 1808678, 9947729, 19895458]

約数ペア:

[(1, 19895458), (2, 9947729), (11, 1808678), (22, 904339), (53, 375386), (106, 187693), (113, 176066), (151, 131758), (226, 88033), (302, 65879), (583, 34126), (1166, 17063), (1243, 16006), (1661, 11978), (2486, 8003), (3322, 5989)]