18739744

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13619}}^1$

素因数の和:13672

約数の個数: 24

約数和(自身を含む): 37754640

約数和(自身を除く): 19014896

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13619, 27238, 54476, 108952, 217904, 435808, 585617, 1171234, 2342468, 4684936, 9369872, 18739744]

約数ペア:

[(1, 18739744), (2, 9369872), (4, 4684936), (8, 2342468), (16, 1171234), (32, 585617), (43, 435808), (86, 217904), (172, 108952), (344, 54476), (688, 27238), (1376, 13619)]