18387999

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 15480801

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 59, 63, 97, 119, 153, 177, 189, 291, 357, 413, 459, 531, 679, 873, 1003, 1071, 1239, 1593, 1649, 2037, 2619, 3009, 3213, 3717, 4947, 5723, 6111, 7021, 9027, 11151, 11543, 14841, 17169, 18333, 21063, 27081, 34629, 40061, 44523, 51507, 63189, 97291, 103887, 120183, 154521, 189567, 291873, 311661, 360549, 681037, 875619, 1081647, 2043111, 2626857, 6129333, 18387999]

約数ペア:

[(1, 18387999), (3, 6129333), (7, 2626857), (9, 2043111), (17, 1081647), (21, 875619), (27, 681037), (51, 360549), (59, 311661), (63, 291873), (97, 189567), (119, 154521), (153, 120183), (177, 103887), (189, 97291), (291, 63189), (357, 51507), (413, 44523), (459, 40061), (531, 34629), (679, 27081), (873, 21063), (1003, 18333), (1071, 17169), (1239, 14841), (1593, 11543), (1649, 11151), (2037, 9027), (2619, 7021), (3009, 6111), (3213, 5723), (3717, 4947)]