18581590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 34721280

約数和(自身を除く): 16139690

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 395, 430, 547, 790, 1094, 2735, 3397, 5470, 6794, 16985, 23521, 33970, 43213, 47042, 86426, 117605, 216065, 235210, 432130, 1858159, 3716318, 9290795, 18581590]

約数ペア:

[(1, 18581590), (2, 9290795), (5, 3716318), (10, 1858159), (43, 432130), (79, 235210), (86, 216065), (158, 117605), (215, 86426), (395, 47042), (430, 43213), (547, 33970), (790, 23521), (1094, 16985), (2735, 6794), (3397, 5470)]