19666688

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4519}}^1$

素因数の和:4552

約数の個数: 36

約数和(自身を含む): 41574960

約数和(自身を除く): 21908272

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4519, 9038, 18076, 36152, 72304, 76823, 144608, 153646, 289216, 307292, 578432, 614584, 1156864, 1229168, 2458336, 4916672, 9833344, 19666688]

約数ペア:

[(1, 19666688), (2, 9833344), (4, 4916672), (8, 2458336), (16, 1229168), (17, 1156864), (32, 614584), (34, 578432), (64, 307292), (68, 289216), (128, 153646), (136, 144608), (256, 76823), (272, 72304), (544, 36152), (1088, 18076), (2176, 9038), (4352, 4519)]