19870328

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 18232072

約数列:

[1, 2, 4, 8, 107, 139, 167, 214, 278, 334, 428, 556, 668, 856, 1112, 1336, 14873, 17869, 23213, 29746, 35738, 46426, 59492, 71476, 92852, 118984, 142952, 185704, 2483791, 4967582, 9935164, 19870328]

約数ペア:

[(1, 19870328), (2, 9935164), (4, 4967582), (8, 2483791), (107, 185704), (139, 142952), (167, 118984), (214, 92852), (278, 71476), (334, 59492), (428, 46426), (556, 35738), (668, 29746), (856, 23213), (1112, 17869), (1336, 14873)]