19664128

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{6983}}^1$

素因数の和:7010

約数の個数: 36

約数和(自身を含む): 42825888

約数和(自身を除く): 23161760

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 6983, 13966, 27932, 55864, 76813, 111728, 153626, 223456, 307252, 446912, 614504, 893824, 1229008, 1787648, 2458016, 4916032, 9832064, 19664128]

約数ペア:

[(1, 19664128), (2, 9832064), (4, 4916032), (8, 2458016), (11, 1787648), (16, 1229008), (22, 893824), (32, 614504), (44, 446912), (64, 307252), (88, 223456), (128, 153626), (176, 111728), (256, 76813), (352, 55864), (704, 27932), (1408, 13966), (2816, 6983)]