18987498

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{941}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 44085600

約数和(自身を除く): 25098102

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 59, 114, 118, 171, 177, 342, 354, 531, 941, 1062, 1121, 1882, 2242, 2823, 3363, 5646, 6726, 8469, 10089, 16938, 17879, 20178, 35758, 53637, 55519, 107274, 111038, 160911, 166557, 321822, 333114, 499671, 999342, 1054861, 2109722, 3164583, 6329166, 9493749, 18987498]

約数ペア:

[(1, 18987498), (2, 9493749), (3, 6329166), (6, 3164583), (9, 2109722), (18, 1054861), (19, 999342), (38, 499671), (57, 333114), (59, 321822), (114, 166557), (118, 160911), (171, 111038), (177, 107274), (342, 55519), (354, 53637), (531, 35758), (941, 20178), (1062, 17879), (1121, 16938), (1882, 10089), (2242, 8469), (2823, 6726), (3363, 5646)]