19913474

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{1039}}^1$

素因数の和:1122

約数の個数: 24

約数和(自身を含む): 35118720

約数和(自身を除く): 15205246

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1039, 1369, 2078, 2738, 7273, 9583, 14546, 19166, 38443, 76886, 269101, 538202, 1422391, 2844782, 9956737, 19913474]

約数ペア:

[(1, 19913474), (2, 9956737), (7, 2844782), (14, 1422391), (37, 538202), (74, 269101), (259, 76886), (518, 38443), (1039, 19166), (1369, 14546), (2078, 9583), (2738, 7273)]