19754241

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 29162880

約数和(自身を除く): 9408639

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 829, 1833, 2487, 7943, 10777, 23829, 32331, 38963, 116889, 140101, 420303, 506519, 1519557, 6584747, 19754241]

約数ペア:

[(1, 19754241), (3, 6584747), (13, 1519557), (39, 506519), (47, 420303), (141, 140101), (169, 116889), (507, 38963), (611, 32331), (829, 23829), (1833, 10777), (2487, 7943)]