18024520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{809}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 40678200

約数和(自身を除く): 22653680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 809, 1114, 1618, 2228, 2785, 3236, 4045, 4456, 5570, 6472, 8090, 11140, 16180, 22280, 32360, 450613, 901226, 1802452, 2253065, 3604904, 4506130, 9012260, 18024520]

約数ペア:

[(1, 18024520), (2, 9012260), (4, 4506130), (5, 3604904), (8, 2253065), (10, 1802452), (20, 901226), (40, 450613), (557, 32360), (809, 22280), (1114, 16180), (1618, 11140), (2228, 8090), (2785, 6472), (3236, 5570), (4045, 4456)]