18640414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16673}}^1$

素因数の和:16731

約数の個数: 16

約数和(自身を含む): 30813552

約数和(自身を除く): 12173138

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 16673, 33346, 216749, 433498, 716939, 1433878, 9320207, 18640414]

約数ペア:

[(1, 18640414), (2, 9320207), (13, 1433878), (26, 716939), (43, 433498), (86, 216749), (559, 33346), (1118, 16673)]