19963788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127973}}^1$

素因数の和:127993

約数の個数: 24

約数和(自身を含む): 50165808

約数和(自身を除く): 30202020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127973, 255946, 383919, 511892, 767838, 1535676, 1663649, 3327298, 4990947, 6654596, 9981894, 19963788]

約数ペア:

[(1, 19963788), (2, 9981894), (3, 6654596), (4, 4990947), (6, 3327298), (12, 1663649), (13, 1535676), (26, 767838), (39, 511892), (52, 383919), (78, 255946), (156, 127973)]