19041280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{3719}}^1$

素因数の和:3744

約数の個数: 44

約数和(自身を含む): 45689040

約数和(自身を除く): 26647760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 3719, 5120, 7438, 14876, 18595, 29752, 37190, 59504, 74380, 119008, 148760, 238016, 297520, 476032, 595040, 952064, 1190080, 1904128, 2380160, 3808256, 4760320, 9520640, 19041280]

約数ペア:

[(1, 19041280), (2, 9520640), (4, 4760320), (5, 3808256), (8, 2380160), (10, 1904128), (16, 1190080), (20, 952064), (32, 595040), (40, 476032), (64, 297520), (80, 238016), (128, 148760), (160, 119008), (256, 74380), (320, 59504), (512, 37190), (640, 29752), (1024, 18595), (1280, 14876), (2560, 7438), (3719, 5120)]