20171851904

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8294347}}^1$

素因数の和:8294380

約数の個数: 32

約数和(自身を含む): 42301174800

約数和(自身を除く): 22129322896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8294347, 16588694, 33177388, 66354776, 132709552, 157592593, 265419104, 315185186, 530838208, 630370372, 1061676416, 1260740744, 2521481488, 5042962976, 10085925952, 20171851904]

約数ペア:

[(1, 20171851904), (2, 10085925952), (4, 5042962976), (8, 2521481488), (16, 1260740744), (19, 1061676416), (32, 630370372), (38, 530838208), (64, 315185186), (76, 265419104), (128, 157592593), (152, 132709552), (304, 66354776), (608, 33177388), (1216, 16588694), (2432, 8294347)]