18172958

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 27962496

約数和(自身を除く): 9789538

約数列:

[1, 2, 53, 106, 173, 346, 991, 1982, 9169, 18338, 52523, 105046, 171443, 342886, 9086479, 18172958]

約数ペア:

[(1, 18172958), (2, 9086479), (53, 342886), (106, 171443), (173, 105046), (346, 52523), (991, 18338), (1982, 9169)]