18897506

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4057}}^1$

素因数の和:4213

約数の個数: 16

約数和(自身を含む): 30240216

約数和(自身を除く): 11342710

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4057, 4658, 8114, 68969, 137938, 555809, 1111618, 9448753, 18897506]

約数ペア:

[(1, 18897506), (2, 9448753), (17, 1111618), (34, 555809), (137, 137938), (274, 68969), (2329, 8114), (4057, 4658)]