19958697

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 15292503

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 59, 67, 99, 153, 177, 187, 201, 297, 459, 531, 561, 603, 649, 737, 1003, 1139, 1593, 1683, 1809, 1947, 2211, 3009, 3417, 3953, 5049, 5841, 6633, 9027, 10251, 11033, 11859, 12529, 17523, 19899, 27081, 30753, 33099, 35577, 37587, 43483, 67201, 99297, 106731, 112761, 130449, 201603, 297891, 338283, 391347, 604809, 739211, 1174041, 1814427, 2217633, 6652899, 19958697]

約数ペア:

[(1, 19958697), (3, 6652899), (9, 2217633), (11, 1814427), (17, 1174041), (27, 739211), (33, 604809), (51, 391347), (59, 338283), (67, 297891), (99, 201603), (153, 130449), (177, 112761), (187, 106731), (201, 99297), (297, 67201), (459, 43483), (531, 37587), (561, 35577), (603, 33099), (649, 30753), (737, 27081), (1003, 19899), (1139, 17523), (1593, 12529), (1683, 11859), (1809, 11033), (1947, 10251), (2211, 9027), (3009, 6633), (3417, 5841), (3953, 5049)]