19979097

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12637}}^1$

素因数の和:12688

約数の個数: 16

約数和(自身を含む): 29117952

約数和(自身を除く): 9138855

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12637, 37911, 214829, 391747, 644487, 1175241, 6659699, 19979097]

約数ペア:

[(1, 19979097), (3, 6659699), (17, 1175241), (31, 644487), (51, 391747), (93, 214829), (527, 37911), (1581, 12637)]