19734272

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 39723096

約数和(自身を除く): 19988824

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 491, 628, 982, 1256, 1964, 2512, 3928, 5024, 7856, 10048, 15712, 20096, 31424, 40192, 62848, 77087, 125696, 154174, 308348, 616696, 1233392, 2466784, 4933568, 9867136, 19734272]

約数ペア:

[(1, 19734272), (2, 9867136), (4, 4933568), (8, 2466784), (16, 1233392), (32, 616696), (64, 308348), (128, 154174), (157, 125696), (256, 77087), (314, 62848), (491, 40192), (628, 31424), (982, 20096), (1256, 15712), (1964, 10048), (2512, 7856), (3928, 5024)]