18223870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1013}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 37672128

約数和(自身を除く): 19448258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1013, 1285, 1799, 2026, 2570, 3598, 5065, 7091, 8995, 10130, 14182, 17990, 35455, 70910, 260341, 520682, 1301705, 1822387, 2603410, 3644774, 9111935, 18223870]

約数ペア:

[(1, 18223870), (2, 9111935), (5, 3644774), (7, 2603410), (10, 1822387), (14, 1301705), (35, 520682), (70, 260341), (257, 70910), (514, 35455), (1013, 17990), (1285, 14182), (1799, 10130), (2026, 8995), (2570, 7091), (3598, 5065)]