19644664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188891}}^1$

素因数の和:188910

約数の個数: 16

約数和(自身を含む): 39667320

約数和(自身を除く): 20022656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188891, 377782, 755564, 1511128, 2455583, 4911166, 9822332, 19644664]

約数ペア:

[(1, 19644664), (2, 9822332), (4, 4911166), (8, 2455583), (13, 1511128), (26, 755564), (52, 377782), (104, 188891)]