18453778

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{6691}}^1$

素因数の和:6897

約数の個数: 16

約数和(自身を含む): 31800384

約数和(自身を除く): 13346606

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 6691, 13382, 46837, 93674, 1318127, 2636254, 9226889, 18453778]

約数ペア:

[(1, 18453778), (2, 9226889), (7, 2636254), (14, 1318127), (197, 93674), (394, 46837), (1379, 13382), (2758, 6691)]