18423801

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 14235399

約数列:

[1, 3, 9, 11, 17, 27, 33, 41, 51, 89, 99, 123, 153, 187, 267, 297, 369, 451, 459, 561, 697, 801, 979, 1107, 1353, 1513, 1683, 2091, 2403, 2937, 3649, 4059, 4539, 5049, 6273, 7667, 8811, 10947, 12177, 13617, 16643, 18819, 23001, 26433, 32841, 40139, 40851, 49929, 62033, 69003, 98523, 120417, 149787, 186099, 207009, 361251, 449361, 558297, 682363, 1083753, 1674891, 2047089, 6141267, 18423801]

約数ペア:

[(1, 18423801), (3, 6141267), (9, 2047089), (11, 1674891), (17, 1083753), (27, 682363), (33, 558297), (41, 449361), (51, 361251), (89, 207009), (99, 186099), (123, 149787), (153, 120417), (187, 98523), (267, 69003), (297, 62033), (369, 49929), (451, 40851), (459, 40139), (561, 32841), (697, 26433), (801, 23001), (979, 18819), (1107, 16643), (1353, 13617), (1513, 12177), (1683, 10947), (2091, 8811), (2403, 7667), (2937, 6273), (3649, 5049), (4059, 4539)]