20180791024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{684373}}^1$

素因数の和:684497

約数の個数: 40

約数和(自身を含む): 41582564240

約数和(自身を除く): 21401773216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 776, 1552, 1843, 3686, 7372, 14744, 29488, 684373, 1368746, 2737492, 5474984, 10949968, 13003087, 26006174, 52012348, 66384181, 104024696, 132768362, 208049392, 265536724, 531073448, 1062146896, 1261299439, 2522598878, 5045197756, 10090395512, 20180791024]

約数ペア:

[(1, 20180791024), (2, 10090395512), (4, 5045197756), (8, 2522598878), (16, 1261299439), (19, 1062146896), (38, 531073448), (76, 265536724), (97, 208049392), (152, 132768362), (194, 104024696), (304, 66384181), (388, 52012348), (776, 26006174), (1552, 13003087), (1843, 10949968), (3686, 5474984), (7372, 2737492), (14744, 1368746), (29488, 684373)]