19529216

素因数分解:

$2^9\times 7^1\times {\mathrm{5449}}^1$

素因数の和:5474

約数の個数: 40

約数和(自身を含む): 44602800

約数和(自身を除く): 25073584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5449, 10898, 21796, 38143, 43592, 76286, 87184, 152572, 174368, 305144, 348736, 610288, 697472, 1220576, 1394944, 2441152, 2789888, 4882304, 9764608, 19529216]

約数ペア:

[(1, 19529216), (2, 9764608), (4, 4882304), (7, 2789888), (8, 2441152), (14, 1394944), (16, 1220576), (28, 697472), (32, 610288), (56, 348736), (64, 305144), (112, 174368), (128, 152572), (224, 87184), (256, 76286), (448, 43592), (512, 38143), (896, 21796), (1792, 10898), (3584, 5449)]