18702670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{673}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 38628288

約数和(自身を除く): 19925618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 673, 794, 1346, 1985, 2779, 3365, 3970, 4711, 5558, 6730, 9422, 13895, 23555, 27790, 47110, 267181, 534362, 1335905, 1870267, 2671810, 3740534, 9351335, 18702670]

約数ペア:

[(1, 18702670), (2, 9351335), (5, 3740534), (7, 2671810), (10, 1870267), (14, 1335905), (35, 534362), (70, 267181), (397, 47110), (673, 27790), (794, 23555), (1346, 13895), (1985, 9422), (2779, 6730), (3365, 5558), (3970, 4711)]