19421128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{78311}}^1$

素因数の和:78348

約数の個数: 16

約数和(自身を含む): 37589760

約数和(自身を除く): 18168632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 78311, 156622, 313244, 626488, 2427641, 4855282, 9710564, 19421128]

約数ペア:

[(1, 19421128), (2, 9710564), (4, 4855282), (8, 2427641), (31, 626488), (62, 313244), (124, 156622), (248, 78311)]