18697614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239713}}^1$

素因数の和:239731

約数の個数: 16

約数和(自身を含む): 40271952

約数和(自身を除く): 21574338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239713, 479426, 719139, 1438278, 3116269, 6232538, 9348807, 18697614]

約数ペア:

[(1, 18697614), (2, 9348807), (3, 6232538), (6, 3116269), (13, 1438278), (26, 719139), (39, 479426), (78, 239713)]