18882340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7207}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 39961152

約数和(自身を除く): 21078812

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7207, 14414, 28828, 36035, 72070, 144140, 944117, 1888234, 3776468, 4720585, 9441170, 18882340]

約数ペア:

[(1, 18882340), (2, 9441170), (4, 4720585), (5, 3776468), (10, 1888234), (20, 944117), (131, 144140), (262, 72070), (524, 36035), (655, 28828), (1310, 14414), (2620, 7207)]