18895990

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3613}}^1$

素因数の和:4143

約数の個数: 16

約数和(自身を含む): 34087248

約数和(自身を除く): 15191258

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 3613, 5230, 7226, 18065, 36130, 1889599, 3779198, 9447995, 18895990]

約数ペア:

[(1, 18895990), (2, 9447995), (5, 3779198), (10, 1889599), (523, 36130), (1046, 18065), (2615, 7226), (3613, 5230)]