18831318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15017}}^1$

素因数の和:15052

約数の個数: 32

約数和(自身を含む): 43251840

約数和(自身を除く): 24420522

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 15017, 30034, 45051, 90102, 165187, 285323, 330374, 495561, 570646, 855969, 991122, 1711938, 3138553, 6277106, 9415659, 18831318]

約数ペア:

[(1, 18831318), (2, 9415659), (3, 6277106), (6, 3138553), (11, 1711938), (19, 991122), (22, 855969), (33, 570646), (38, 495561), (57, 330374), (66, 285323), (114, 165187), (209, 90102), (418, 45051), (627, 30034), (1254, 15017)]