18423669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 9592971

約数列:

[1, 3, 11, 33, 37, 79, 111, 191, 237, 407, 573, 869, 1221, 2101, 2607, 2923, 6303, 7067, 8769, 15089, 21201, 32153, 45267, 77737, 96459, 165979, 233211, 497937, 558293, 1674879, 6141223, 18423669]

約数ペア:

[(1, 18423669), (3, 6141223), (11, 1674879), (33, 558293), (37, 497937), (79, 233211), (111, 165979), (191, 96459), (237, 77737), (407, 45267), (573, 32153), (869, 21201), (1221, 15089), (2101, 8769), (2607, 7067), (2923, 6303)]