19188978844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29796551}}^1$

素因数の和:29796585

約数の個数: 24

約数和(自身を含む): 40046565888

約数和(自身を除く): 20857587044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29796551, 59593102, 119186204, 208575857, 417151714, 685320673, 834303428, 1370641346, 2741282692, 4797244711, 9594489422, 19188978844]

約数ペア:

[(1, 19188978844), (2, 9594489422), (4, 4797244711), (7, 2741282692), (14, 1370641346), (23, 834303428), (28, 685320673), (46, 417151714), (92, 208575857), (161, 119186204), (322, 59593102), (644, 29796551)]