18905278

素因数分解:

$2^1\times 7^2\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:904

約数の個数: 24

約数和(自身を含む): 33139800

約数和(自身を除く): 14234522

約数列:

[1, 2, 7, 14, 49, 98, 379, 509, 758, 1018, 2653, 3563, 5306, 7126, 18571, 24941, 37142, 49882, 192911, 385822, 1350377, 2700754, 9452639, 18905278]

約数ペア:

[(1, 18905278), (2, 9452639), (7, 2700754), (14, 1350377), (49, 385822), (98, 192911), (379, 49882), (509, 37142), (758, 24941), (1018, 18571), (2653, 7126), (3563, 5306)]