19937754

素因数分解:

$2^1\times 3^2\times {\mathrm{1019}}^1\times {\mathrm{1087}}^1$

素因数の和:2114

約数の個数: 24

約数和(自身を含む): 43280640

約数和(自身を除く): 23342886

約数列:

[1, 2, 3, 6, 9, 18, 1019, 1087, 2038, 2174, 3057, 3261, 6114, 6522, 9171, 9783, 18342, 19566, 1107653, 2215306, 3322959, 6645918, 9968877, 19937754]

約数ペア:

[(1, 19937754), (2, 9968877), (3, 6645918), (6, 3322959), (9, 2215306), (18, 1107653), (1019, 19566), (1087, 18342), (2038, 9783), (2174, 9171), (3057, 6522), (3261, 6114)]