18858906

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:601

約数の個数: 80

約数和(自身を含む): 48612960

約数和(自身を除く): 29754054

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 557, 594, 627, 891, 1026, 1114, 1254, 1539, 1671, 1782, 1881, 3078, 3342, 3762, 5013, 5643, 6127, 10026, 10583, 11286, 12254, 15039, 16929, 18381, 21166, 30078, 31749, 33858, 36762, 45117, 55143, 63498, 90234, 95247, 110286, 116413, 165429, 190494, 232826, 285741, 330858, 349239, 496287, 571482, 698478, 857223, 992574, 1047717, 1714446, 2095434, 3143151, 6286302, 9429453, 18858906]

約数ペア:

[(1, 18858906), (2, 9429453), (3, 6286302), (6, 3143151), (9, 2095434), (11, 1714446), (18, 1047717), (19, 992574), (22, 857223), (27, 698478), (33, 571482), (38, 496287), (54, 349239), (57, 330858), (66, 285741), (81, 232826), (99, 190494), (114, 165429), (162, 116413), (171, 110286), (198, 95247), (209, 90234), (297, 63498), (342, 55143), (418, 45117), (513, 36762), (557, 33858), (594, 31749), (627, 30078), (891, 21166), (1026, 18381), (1114, 16929), (1254, 15039), (1539, 12254), (1671, 11286), (1782, 10583), (1881, 10026), (3078, 6127), (3342, 5643), (3762, 5013)]