18505278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4957

約数の個数: 48

約数和(自身を含む): 46051200

約数和(自身を除く): 27545922

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 4919, 9838, 14757, 29514, 44271, 54109, 88542, 93461, 108218, 162327, 186922, 280383, 324654, 486981, 560766, 841149, 973962, 1028071, 1682298, 2056142, 3084213, 6168426, 9252639, 18505278]

約数ペア:

[(1, 18505278), (2, 9252639), (3, 6168426), (6, 3084213), (9, 2056142), (11, 1682298), (18, 1028071), (19, 973962), (22, 841149), (33, 560766), (38, 486981), (57, 324654), (66, 280383), (99, 186922), (114, 162327), (171, 108218), (198, 93461), (209, 88542), (342, 54109), (418, 44271), (627, 29514), (1254, 14757), (1881, 9838), (3762, 4919)]