19767808

素因数分解:

$2^9\times {\mathrm{38609}}^1$

素因数の和:38627

約数の個数: 20

約数和(自身を含む): 39498030

約数和(自身を除く): 19730222

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38609, 77218, 154436, 308872, 617744, 1235488, 2470976, 4941952, 9883904, 19767808]

約数ペア:

[(1, 19767808), (2, 9883904), (4, 4941952), (8, 2470976), (16, 1235488), (32, 617744), (64, 308872), (128, 154436), (256, 77218), (512, 38609)]