16895560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 45619200

約数和(自身を除く): 28723640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 43, 44, 47, 55, 76, 86, 88, 94, 95, 110, 152, 172, 188, 190, 209, 215, 220, 235, 344, 376, 380, 418, 430, 440, 470, 473, 517, 760, 817, 836, 860, 893, 940, 946, 1034, 1045, 1634, 1672, 1720, 1786, 1880, 1892, 2021, 2068, 2090, 2365, 2585, 3268, 3572, 3784, 4042, 4085, 4136, 4180, 4465, 4730, 5170, 6536, 7144, 8084, 8170, 8360, 8930, 8987, 9460, 9823, 10105, 10340, 16168, 16340, 17860, 17974, 18920, 19646, 20210, 20680, 22231, 32680, 35720, 35948, 38399, 39292, 40420, 44462, 44935, 49115, 71896, 76798, 78584, 80840, 88924, 89870, 98230, 111155, 153596, 177848, 179740, 191995, 196460, 222310, 307192, 359480, 383990, 392920, 422389, 444620, 767980, 844778, 889240, 1535960, 1689556, 2111945, 3379112, 4223890, 8447780, 16895560]

約数ペア:

[(1, 16895560), (2, 8447780), (4, 4223890), (5, 3379112), (8, 2111945), (10, 1689556), (11, 1535960), (19, 889240), (20, 844778), (22, 767980), (38, 444620), (40, 422389), (43, 392920), (44, 383990), (47, 359480), (55, 307192), (76, 222310), (86, 196460), (88, 191995), (94, 179740), (95, 177848), (110, 153596), (152, 111155), (172, 98230), (188, 89870), (190, 88924), (209, 80840), (215, 78584), (220, 76798), (235, 71896), (344, 49115), (376, 44935), (380, 44462), (418, 40420), (430, 39292), (440, 38399), (470, 35948), (473, 35720), (517, 32680), (760, 22231), (817, 20680), (836, 20210), (860, 19646), (893, 18920), (940, 17974), (946, 17860), (1034, 16340), (1045, 16168), (1634, 10340), (1672, 10105), (1720, 9823), (1786, 9460), (1880, 8987), (1892, 8930), (2021, 8360), (2068, 8170), (2090, 8084), (2365, 7144), (2585, 6536), (3268, 5170), (3572, 4730), (3784, 4465), (4042, 4180), (4085, 4136)]