19589120

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1913}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 47026980

約数和(自身を除く): 27437860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1913, 2048, 2560, 3826, 5120, 7652, 9565, 10240, 15304, 19130, 30608, 38260, 61216, 76520, 122432, 153040, 244864, 306080, 489728, 612160, 979456, 1224320, 1958912, 2448640, 3917824, 4897280, 9794560, 19589120]

約数ペア:

[(1, 19589120), (2, 9794560), (4, 4897280), (5, 3917824), (8, 2448640), (10, 1958912), (16, 1224320), (20, 979456), (32, 612160), (40, 489728), (64, 306080), (80, 244864), (128, 153040), (160, 122432), (256, 76520), (320, 61216), (512, 38260), (640, 30608), (1024, 19130), (1280, 15304), (1913, 10240), (2048, 9565), (2560, 7652), (3826, 5120)]