18869926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13421}}^1$

素因数の和:13479

約数の個数: 16

約数和(自身を含む): 30602160

約数和(自身を除く): 11732234

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13421, 26842, 254999, 496577, 509998, 993154, 9434963, 18869926]

約数ペア:

[(1, 18869926), (2, 9434963), (19, 993154), (37, 509998), (38, 496577), (74, 254999), (703, 26842), (1406, 13421)]