18329185

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 25937280

約数和(自身を除く): 7608095

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 947, 2765, 3871, 4735, 6629, 19355, 33145, 46403, 74813, 232015, 374065, 523691, 2618455, 3665837, 18329185]

約数ペア:

[(1, 18329185), (5, 3665837), (7, 2618455), (35, 523691), (49, 374065), (79, 232015), (245, 74813), (395, 46403), (553, 33145), (947, 19355), (2765, 6629), (3871, 4735)]