19389916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53269}}^1$

素因数の和:53293

約数の個数: 24

約数和(自身を含む): 41763680

約数和(自身を除く): 22373764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 53269, 106538, 213076, 372883, 692497, 745766, 1384994, 1491532, 2769988, 4847479, 9694958, 19389916]

約数ペア:

[(1, 19389916), (2, 9694958), (4, 4847479), (7, 2769988), (13, 1491532), (14, 1384994), (26, 745766), (28, 692497), (52, 372883), (91, 213076), (182, 106538), (364, 53269)]