19863954

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 49553856

約数和(自身を除く): 29689902

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 81, 99, 142, 157, 162, 198, 213, 297, 314, 426, 471, 594, 639, 781, 891, 942, 1278, 1413, 1562, 1727, 1782, 1917, 2343, 2826, 3454, 3834, 4239, 4686, 5181, 5751, 7029, 8478, 10362, 11147, 11502, 12717, 14058, 15543, 21087, 22294, 25434, 31086, 33441, 42174, 46629, 63261, 66882, 93258, 100323, 122617, 126522, 139887, 200646, 245234, 279774, 300969, 367851, 601938, 735702, 902907, 1103553, 1805814, 2207106, 3310659, 6621318, 9931977, 19863954]

約数ペア:

[(1, 19863954), (2, 9931977), (3, 6621318), (6, 3310659), (9, 2207106), (11, 1805814), (18, 1103553), (22, 902907), (27, 735702), (33, 601938), (54, 367851), (66, 300969), (71, 279774), (81, 245234), (99, 200646), (142, 139887), (157, 126522), (162, 122617), (198, 100323), (213, 93258), (297, 66882), (314, 63261), (426, 46629), (471, 42174), (594, 33441), (639, 31086), (781, 25434), (891, 22294), (942, 21087), (1278, 15543), (1413, 14058), (1562, 12717), (1727, 11502), (1782, 11147), (1917, 10362), (2343, 8478), (2826, 7029), (3454, 5751), (3834, 5181), (4239, 4686)]