19159040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1871}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 26836000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1871, 2048, 2560, 3742, 5120, 7484, 9355, 10240, 14968, 18710, 29936, 37420, 59872, 74840, 119744, 149680, 239488, 299360, 478976, 598720, 957952, 1197440, 1915904, 2394880, 3831808, 4789760, 9579520, 19159040]

約数ペア:

[(1, 19159040), (2, 9579520), (4, 4789760), (5, 3831808), (8, 2394880), (10, 1915904), (16, 1197440), (20, 957952), (32, 598720), (40, 478976), (64, 299360), (80, 239488), (128, 149680), (160, 119744), (256, 74840), (320, 59872), (512, 37420), (640, 29936), (1024, 18710), (1280, 14968), (1871, 10240), (2048, 9355), (2560, 7484), (3742, 5120)]