1900045904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 4001618880

約数和(自身を除く): 2101572976

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 251, 296, 304, 502, 592, 673, 703, 1004, 1346, 1406, 2008, 2692, 2812, 4016, 4769, 5384, 5624, 9287, 9538, 10768, 11248, 12787, 18574, 19076, 24901, 25574, 37148, 38152, 49802, 51148, 74296, 76304, 99604, 102296, 148592, 168923, 176453, 199208, 204592, 337846, 352906, 398416, 473119, 675692, 705812, 946238, 1351384, 1411624, 1892476, 2702768, 2823248, 3209537, 3784952, 6250151, 6419074, 7569904, 12500302, 12838148, 25000604, 25676296, 50001208, 51352592, 100002416, 118752869, 237505738, 475011476, 950022952, 1900045904]

約数ペア:

[(1, 1900045904), (2, 950022952), (4, 475011476), (8, 237505738), (16, 118752869), (19, 100002416), (37, 51352592), (38, 50001208), (74, 25676296), (76, 25000604), (148, 12838148), (152, 12500302), (251, 7569904), (296, 6419074), (304, 6250151), (502, 3784952), (592, 3209537), (673, 2823248), (703, 2702768), (1004, 1892476), (1346, 1411624), (1406, 1351384), (2008, 946238), (2692, 705812), (2812, 675692), (4016, 473119), (4769, 398416), (5384, 352906), (5624, 337846), (9287, 204592), (9538, 199208), (10768, 176453), (11248, 168923), (12787, 148592), (18574, 102296), (19076, 99604), (24901, 76304), (25574, 74296), (37148, 51148), (38152, 49802)]