19664226

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{1699}}^1$

素因数の和:2350

約数の個数: 24

約数和(自身を含む): 42697200

約数和(自身を除く): 23032974

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1699, 1929, 3398, 3858, 5097, 5787, 10194, 11574, 15291, 30582, 1092457, 2184914, 3277371, 6554742, 9832113, 19664226]

約数ペア:

[(1, 19664226), (2, 9832113), (3, 6554742), (6, 3277371), (9, 2184914), (18, 1092457), (643, 30582), (1286, 15291), (1699, 11574), (1929, 10194), (3398, 5787), (3858, 5097)]