19746402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253159}}^1$

素因数の和:253177

約数の個数: 16

約数和(自身を含む): 42530880

約数和(自身を除く): 22784478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253159, 506318, 759477, 1518954, 3291067, 6582134, 9873201, 19746402]

約数ペア:

[(1, 19746402), (2, 9873201), (3, 6582134), (6, 3291067), (13, 1518954), (26, 759477), (39, 506318), (78, 253159)]