18979714

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 24

約数和(自身を含む): 31088772

約数和(自身を除く): 12109058

約数列:

[1, 2, 13, 26, 169, 233, 241, 338, 466, 482, 3029, 3133, 6058, 6266, 39377, 40729, 56153, 78754, 81458, 112306, 729989, 1459978, 9489857, 18979714]

約数ペア:

[(1, 18979714), (2, 9489857), (13, 1459978), (26, 729989), (169, 112306), (233, 81458), (241, 78754), (338, 56153), (466, 40729), (482, 39377), (3029, 6266), (3133, 6058)]