19426816

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2034

約数の個数: 40

約数和(自身を含む): 40879080

約数和(自身を除く): 21452264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 1997, 2432, 3994, 4864, 7988, 9728, 15976, 31952, 37943, 63904, 75886, 127808, 151772, 255616, 303544, 511232, 607088, 1022464, 1214176, 2428352, 4856704, 9713408, 19426816]

約数ペア:

[(1, 19426816), (2, 9713408), (4, 4856704), (8, 2428352), (16, 1214176), (19, 1022464), (32, 607088), (38, 511232), (64, 303544), (76, 255616), (128, 151772), (152, 127808), (256, 75886), (304, 63904), (512, 37943), (608, 31952), (1216, 15976), (1997, 9728), (2432, 7988), (3994, 4864)]