18588609

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 40

約数和(自身を含む): 30356480

約数和(自身を除く): 11767871

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 127, 139, 351, 381, 417, 1053, 1143, 1251, 1651, 1807, 3429, 3753, 4953, 5421, 10287, 11259, 14859, 16263, 17653, 44577, 48789, 52959, 133731, 146367, 158877, 229489, 476631, 688467, 1429893, 2065401, 6196203, 18588609]

約数ペア:

[(1, 18588609), (3, 6196203), (9, 2065401), (13, 1429893), (27, 688467), (39, 476631), (81, 229489), (117, 158877), (127, 146367), (139, 133731), (351, 52959), (381, 48789), (417, 44577), (1053, 17653), (1143, 16263), (1251, 14859), (1651, 11259), (1807, 10287), (3429, 5421), (3753, 4953)]