18617354

素因数分解:

$2^1\times 7^4\times {\mathrm{3877}}^1$

素因数の和:3907

約数の個数: 20

約数和(自身を含む): 32586834

約数和(自身を除く): 13969480

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 3877, 4802, 7754, 27139, 54278, 189973, 379946, 1329811, 2659622, 9308677, 18617354]

約数ペア:

[(1, 18617354), (2, 9308677), (7, 2659622), (14, 1329811), (49, 379946), (98, 189973), (343, 54278), (686, 27139), (2401, 7754), (3877, 4802)]