18447646

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 32666112

約数和(自身を除く): 14218466

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 277, 469, 497, 554, 938, 994, 1939, 3878, 4757, 9514, 18559, 19667, 33299, 37118, 39334, 66598, 129913, 137669, 259826, 275338, 1317689, 2635378, 9223823, 18447646]

約数ペア:

[(1, 18447646), (2, 9223823), (7, 2635378), (14, 1317689), (67, 275338), (71, 259826), (134, 137669), (142, 129913), (277, 66598), (469, 39334), (497, 37118), (554, 33299), (938, 19667), (994, 18559), (1939, 9514), (3878, 4757)]