18728964

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{12689}}^1$

素因数の和:12740

約数の個数: 36

約数和(自身を含む): 48501180

約数和(自身を除く): 29772216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 12689, 25378, 38067, 50756, 76134, 114201, 152268, 228402, 456804, 520249, 1040498, 1560747, 2080996, 3121494, 4682241, 6242988, 9364482, 18728964]

約数ペア:

[(1, 18728964), (2, 9364482), (3, 6242988), (4, 4682241), (6, 3121494), (9, 2080996), (12, 1560747), (18, 1040498), (36, 520249), (41, 456804), (82, 228402), (123, 152268), (164, 114201), (246, 76134), (369, 50756), (492, 38067), (738, 25378), (1476, 12689)]