19817728

素因数分解:

$2^8\times 7^1\times {\mathrm{11059}}^1$

素因数の和:11082

約数の個数: 36

約数和(自身を含む): 45213280

約数和(自身を除く): 25395552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11059, 22118, 44236, 77413, 88472, 154826, 176944, 309652, 353888, 619304, 707776, 1238608, 1415552, 2477216, 2831104, 4954432, 9908864, 19817728]

約数ペア:

[(1, 19817728), (2, 9908864), (4, 4954432), (7, 2831104), (8, 2477216), (14, 1415552), (16, 1238608), (28, 707776), (32, 619304), (56, 353888), (64, 309652), (112, 176944), (128, 154826), (224, 88472), (256, 77413), (448, 44236), (896, 22118), (1792, 11059)]