18555498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 43636320

約数和(自身を除く): 25080822

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 179, 234, 358, 443, 537, 886, 1074, 1329, 1611, 2327, 2658, 3222, 3987, 4654, 5759, 6981, 7974, 11518, 13962, 17277, 20943, 34554, 41886, 51831, 79297, 103662, 158594, 237891, 475782, 713673, 1030861, 1427346, 2061722, 3092583, 6185166, 9277749, 18555498]

約数ペア:

[(1, 18555498), (2, 9277749), (3, 6185166), (6, 3092583), (9, 2061722), (13, 1427346), (18, 1030861), (26, 713673), (39, 475782), (78, 237891), (117, 158594), (179, 103662), (234, 79297), (358, 51831), (443, 41886), (537, 34554), (886, 20943), (1074, 17277), (1329, 13962), (1611, 11518), (2327, 7974), (2658, 6981), (3222, 5759), (3987, 4654)]