19681024

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 44518320

約数和(自身を除く): 24837296

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 241, 256, 319, 352, 464, 482, 638, 704, 928, 964, 1276, 1408, 1856, 1928, 2552, 2651, 2816, 3712, 3856, 5104, 5302, 6989, 7424, 7712, 10208, 10604, 13978, 15424, 20416, 21208, 27956, 30848, 40832, 42416, 55912, 61696, 76879, 81664, 84832, 111824, 153758, 169664, 223648, 307516, 339328, 447296, 615032, 678656, 894592, 1230064, 1789184, 2460128, 4920256, 9840512, 19681024]

約数ペア:

[(1, 19681024), (2, 9840512), (4, 4920256), (8, 2460128), (11, 1789184), (16, 1230064), (22, 894592), (29, 678656), (32, 615032), (44, 447296), (58, 339328), (64, 307516), (88, 223648), (116, 169664), (128, 153758), (176, 111824), (232, 84832), (241, 81664), (256, 76879), (319, 61696), (352, 55912), (464, 42416), (482, 40832), (638, 30848), (704, 27956), (928, 21208), (964, 20416), (1276, 15424), (1408, 13978), (1856, 10604), (1928, 10208), (2552, 7712), (2651, 7424), (2816, 6989), (3712, 5302), (3856, 5104)]