19963136

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2734

約数の個数: 36

約数和(自身を含む): 41237700

約数和(自身を除く): 21274564

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 2689, 3712, 5378, 7424, 10756, 21512, 43024, 77981, 86048, 155962, 172096, 311924, 344192, 623848, 688384, 1247696, 2495392, 4990784, 9981568, 19963136]

約数ペア:

[(1, 19963136), (2, 9981568), (4, 4990784), (8, 2495392), (16, 1247696), (29, 688384), (32, 623848), (58, 344192), (64, 311924), (116, 172096), (128, 155962), (232, 86048), (256, 77981), (464, 43024), (928, 21512), (1856, 10756), (2689, 7424), (3712, 5378)]