18089955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 36206352

約数和(自身を除く): 18116397

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 107, 117, 153, 195, 221, 255, 289, 321, 535, 585, 663, 765, 867, 963, 1105, 1391, 1445, 1605, 1819, 1989, 2601, 3315, 3757, 4173, 4335, 4815, 5457, 6955, 9095, 9945, 11271, 12519, 13005, 16371, 18785, 20865, 23647, 27285, 30923, 33813, 56355, 62595, 70941, 81855, 92769, 118235, 154615, 169065, 212823, 278307, 354705, 401999, 463845, 1064115, 1205997, 1391535, 2009995, 3617991, 6029985, 18089955]

約数ペア:

[(1, 18089955), (3, 6029985), (5, 3617991), (9, 2009995), (13, 1391535), (15, 1205997), (17, 1064115), (39, 463845), (45, 401999), (51, 354705), (65, 278307), (85, 212823), (107, 169065), (117, 154615), (153, 118235), (195, 92769), (221, 81855), (255, 70941), (289, 62595), (321, 56355), (535, 33813), (585, 30923), (663, 27285), (765, 23647), (867, 20865), (963, 18785), (1105, 16371), (1391, 13005), (1445, 12519), (1605, 11271), (1819, 9945), (1989, 9095), (2601, 6955), (3315, 5457), (3757, 4815), (4173, 4335)]