18751095

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 38997504

約数和(自身を除く): 20246409

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 61, 69, 81, 99, 115, 135, 165, 183, 207, 243, 253, 297, 305, 345, 405, 495, 549, 621, 671, 759, 891, 915, 1035, 1215, 1265, 1403, 1485, 1647, 1863, 2013, 2277, 2673, 2745, 3105, 3355, 3795, 4209, 4455, 4941, 5589, 6039, 6831, 7015, 8235, 9315, 10065, 11385, 12627, 13365, 14823, 15433, 18117, 20493, 21045, 24705, 27945, 30195, 34155, 37881, 46299, 54351, 61479, 63135, 74115, 77165, 90585, 102465, 113643, 138897, 163053, 189405, 231495, 271755, 307395, 340929, 416691, 568215, 694485, 815265, 1250073, 1704645, 2083455, 3750219, 6250365, 18751095]

約数ペア:

[(1, 18751095), (3, 6250365), (5, 3750219), (9, 2083455), (11, 1704645), (15, 1250073), (23, 815265), (27, 694485), (33, 568215), (45, 416691), (55, 340929), (61, 307395), (69, 271755), (81, 231495), (99, 189405), (115, 163053), (135, 138897), (165, 113643), (183, 102465), (207, 90585), (243, 77165), (253, 74115), (297, 63135), (305, 61479), (345, 54351), (405, 46299), (495, 37881), (549, 34155), (621, 30195), (671, 27945), (759, 24705), (891, 21045), (915, 20493), (1035, 18117), (1215, 15433), (1265, 14823), (1403, 13365), (1485, 12627), (1647, 11385), (1863, 10065), (2013, 9315), (2277, 8235), (2673, 7015), (2745, 6831), (3105, 6039), (3355, 5589), (3795, 4941), (4209, 4455)]