19119616

素因数分解:

$2^9\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 40

約数和(自身を含む): 38669400

約数和(自身を除く): 19549784

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 256, 349, 428, 512, 698, 856, 1396, 1712, 2792, 3424, 5584, 6848, 11168, 13696, 22336, 27392, 37343, 44672, 54784, 74686, 89344, 149372, 178688, 298744, 597488, 1194976, 2389952, 4779904, 9559808, 19119616]

約数ペア:

[(1, 19119616), (2, 9559808), (4, 4779904), (8, 2389952), (16, 1194976), (32, 597488), (64, 298744), (107, 178688), (128, 149372), (214, 89344), (256, 74686), (349, 54784), (428, 44672), (512, 37343), (698, 27392), (856, 22336), (1396, 13696), (1712, 11168), (2792, 6848), (3424, 5584)]