18808119

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 60

約数和(自身を含む): 32829720

約数和(自身を除く): 14021601

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 101, 121, 171, 209, 297, 303, 363, 513, 627, 891, 909, 1089, 1111, 1539, 1881, 1919, 2299, 2727, 3267, 3333, 5643, 5757, 6897, 8181, 9801, 9999, 12221, 16929, 17271, 20691, 21109, 29997, 36663, 51813, 62073, 63327, 89991, 109989, 155439, 186219, 189981, 232199, 329967, 569943, 696597, 989901, 1709829, 2089791, 6269373, 18808119]

約数ペア:

[(1, 18808119), (3, 6269373), (9, 2089791), (11, 1709829), (19, 989901), (27, 696597), (33, 569943), (57, 329967), (81, 232199), (99, 189981), (101, 186219), (121, 155439), (171, 109989), (209, 89991), (297, 63327), (303, 62073), (363, 51813), (513, 36663), (627, 29997), (891, 21109), (909, 20691), (1089, 17271), (1111, 16929), (1539, 12221), (1881, 9999), (1919, 9801), (2299, 8181), (2727, 6897), (3267, 5757), (3333, 5643)]