19513908

素因数分解:

$2^2\times 3^2\times {\mathrm{542053}}^1$

素因数の和:542063

約数の個数: 18

約数和(自身を含む): 49326914

約数和(自身を除く): 29813006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 542053, 1084106, 1626159, 2168212, 3252318, 4878477, 6504636, 9756954, 19513908]

約数ペア:

[(1, 19513908), (2, 9756954), (3, 6504636), (4, 4878477), (6, 3252318), (9, 2168212), (12, 1626159), (18, 1084106), (36, 542053)]