18973318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1792

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 16649402

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 1709, 3418, 5551, 11102, 11963, 22217, 23926, 44434, 104249, 155519, 208498, 311038, 729743, 1355237, 1459486, 2710474, 9486659, 18973318]

約数ペア:

[(1, 18973318), (2, 9486659), (7, 2710474), (13, 1459486), (14, 1355237), (26, 729743), (61, 311038), (91, 208498), (122, 155519), (182, 104249), (427, 44434), (793, 23926), (854, 22217), (1586, 11963), (1709, 11102), (3418, 5551)]