18628986

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 38035008

約数和(自身を除く): 19406022

約数列:

[1, 2, 3, 6, 131, 137, 173, 262, 274, 346, 393, 411, 519, 786, 822, 1038, 17947, 22663, 23701, 35894, 45326, 47402, 53841, 67989, 71103, 107682, 135978, 142206, 3104831, 6209662, 9314493, 18628986]

約数ペア:

[(1, 18628986), (2, 9314493), (3, 6209662), (6, 3104831), (131, 142206), (137, 135978), (173, 107682), (262, 71103), (274, 67989), (346, 53841), (393, 47402), (411, 45326), (519, 35894), (786, 23701), (822, 22663), (1038, 17947)]