19733728

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 45620064

約数和(自身を除く): 25886336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 74, 112, 148, 224, 259, 296, 518, 592, 1036, 1184, 2072, 2381, 4144, 4762, 8288, 9524, 16667, 19048, 33334, 38096, 66668, 76192, 88097, 133336, 176194, 266672, 352388, 533344, 616679, 704776, 1233358, 1409552, 2466716, 2819104, 4933432, 9866864, 19733728]

約数ペア:

[(1, 19733728), (2, 9866864), (4, 4933432), (7, 2819104), (8, 2466716), (14, 1409552), (16, 1233358), (28, 704776), (32, 616679), (37, 533344), (56, 352388), (74, 266672), (112, 176194), (148, 133336), (224, 88097), (259, 76192), (296, 66668), (518, 38096), (592, 33334), (1036, 19048), (1184, 16667), (2072, 9524), (2381, 8288), (4144, 4762)]