19918236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127681}}^1$

素因数の和:127701

約数の個数: 24

約数和(自身を含む): 50051344

約数和(自身を除く): 30133108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127681, 255362, 383043, 510724, 766086, 1532172, 1659853, 3319706, 4979559, 6639412, 9959118, 19918236]

約数ペア:

[(1, 19918236), (2, 9959118), (3, 6639412), (4, 4979559), (6, 3319706), (12, 1659853), (13, 1532172), (26, 766086), (39, 510724), (52, 383043), (78, 255362), (156, 127681)]