18743481

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 30

約数和(自身を含む): 29596842

約数和(自身を除く): 10853361

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 361, 513, 641, 1083, 1539, 1923, 3249, 5769, 9747, 12179, 17307, 29241, 36537, 51921, 109611, 231401, 328833, 694203, 986499, 2082609, 6247827, 18743481]

約数ペア:

[(1, 18743481), (3, 6247827), (9, 2082609), (19, 986499), (27, 694203), (57, 328833), (81, 231401), (171, 109611), (361, 51921), (513, 36537), (641, 29241), (1083, 17307), (1539, 12179), (1923, 9747), (3249, 5769)]