18904408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 18852392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 607, 916, 1214, 1832, 2428, 3893, 4856, 7786, 10319, 15572, 20638, 31144, 41276, 82552, 139003, 278006, 556012, 1112024, 2363051, 4726102, 9452204, 18904408]

約数ペア:

[(1, 18904408), (2, 9452204), (4, 4726102), (8, 2363051), (17, 1112024), (34, 556012), (68, 278006), (136, 139003), (229, 82552), (458, 41276), (607, 31144), (916, 20638), (1214, 15572), (1832, 10319), (2428, 7786), (3893, 4856)]