18779942

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{37}}^2$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 30560040

約数和(自身を除く): 11780098

約数列:

[1, 2, 19, 37, 38, 74, 361, 703, 722, 1369, 1406, 2738, 6859, 13357, 13718, 26011, 26714, 52022, 253783, 494209, 507566, 988418, 9389971, 18779942]

約数ペア:

[(1, 18779942), (2, 9389971), (19, 988418), (37, 507566), (38, 494209), (74, 253783), (361, 52022), (703, 26714), (722, 26011), (1369, 13718), (1406, 13357), (2738, 6859)]