18988236

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1613}}^1$

素因数の和:1735

約数の個数: 48

約数和(自身を含む): 49711200

約数和(自身を除く): 30722964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1613, 1962, 2943, 3226, 3924, 4839, 5886, 6452, 9678, 11772, 14517, 19356, 29034, 43551, 58068, 87102, 174204, 175817, 351634, 527451, 703268, 1054902, 1582353, 2109804, 3164706, 4747059, 6329412, 9494118, 18988236]

約数ペア:

[(1, 18988236), (2, 9494118), (3, 6329412), (4, 4747059), (6, 3164706), (9, 2109804), (12, 1582353), (18, 1054902), (27, 703268), (36, 527451), (54, 351634), (108, 175817), (109, 174204), (218, 87102), (327, 58068), (436, 43551), (654, 29034), (981, 19356), (1308, 14517), (1613, 11772), (1962, 9678), (2943, 6452), (3226, 5886), (3924, 4839)]