19492816

素因数分解:

$2^4\times 7^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 43390080

約数和(自身を除く): 23897264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 647, 1076, 1294, 1883, 2152, 2588, 3766, 4304, 4529, 5176, 7532, 9058, 10352, 15064, 18116, 30128, 36232, 72464, 174043, 348086, 696172, 1218301, 1392344, 2436602, 2784688, 4873204, 9746408, 19492816]

約数ペア:

[(1, 19492816), (2, 9746408), (4, 4873204), (7, 2784688), (8, 2436602), (14, 1392344), (16, 1218301), (28, 696172), (56, 348086), (112, 174043), (269, 72464), (538, 36232), (647, 30128), (1076, 18116), (1294, 15064), (1883, 10352), (2152, 9058), (2588, 7532), (3766, 5176), (4304, 4529)]