18640256

素因数分解:

$2^7\times {\mathrm{107}}^1\times {\mathrm{1361}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 37509480

約数和(自身を除く): 18869224

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 428, 856, 1361, 1712, 2722, 3424, 5444, 6848, 10888, 13696, 21776, 43552, 87104, 145627, 174208, 291254, 582508, 1165016, 2330032, 4660064, 9320128, 18640256]

約数ペア:

[(1, 18640256), (2, 9320128), (4, 4660064), (8, 2330032), (16, 1165016), (32, 582508), (64, 291254), (107, 174208), (128, 145627), (214, 87104), (428, 43552), (856, 21776), (1361, 13696), (1712, 10888), (2722, 6848), (3424, 5444)]