18613738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1759}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 15093782

約数列:

[1, 2, 11, 13, 22, 26, 37, 74, 143, 286, 407, 481, 814, 962, 1759, 3518, 5291, 10582, 19349, 22867, 38698, 45734, 65083, 130166, 251537, 503074, 715913, 846079, 1431826, 1692158, 9306869, 18613738]

約数ペア:

[(1, 18613738), (2, 9306869), (11, 1692158), (13, 1431826), (22, 846079), (26, 715913), (37, 503074), (74, 251537), (143, 130166), (286, 65083), (407, 45734), (481, 38698), (814, 22867), (962, 19349), (1759, 10582), (3518, 5291)]