18875988

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{8887}}^1$

素因数の和:8956

約数の個数: 36

約数和(自身を含む): 48528480

約数和(自身を除く): 29652492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 8887, 17774, 26661, 35548, 53322, 79983, 106644, 159966, 319932, 524333, 1048666, 1572999, 2097332, 3145998, 4718997, 6291996, 9437994, 18875988]

約数ペア:

[(1, 18875988), (2, 9437994), (3, 6291996), (4, 4718997), (6, 3145998), (9, 2097332), (12, 1572999), (18, 1048666), (36, 524333), (59, 319932), (118, 159966), (177, 106644), (236, 79983), (354, 53322), (531, 35548), (708, 26661), (1062, 17774), (2124, 8887)]