2018005941

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 3326566400

約数和(自身を除く): 1308560459

約数列:

[1, 3, 7, 19, 21, 57, 73, 79, 133, 219, 237, 399, 511, 553, 877, 1387, 1501, 1533, 1659, 2631, 4161, 4503, 5767, 6139, 9709, 10507, 16663, 17301, 18417, 29127, 31521, 40369, 49989, 64021, 69283, 109573, 116641, 121107, 192063, 207849, 328719, 349923, 448147, 484981, 767011, 1216399, 1316377, 1344441, 1454943, 2301033, 3649197, 3949131, 5057659, 8514793, 9214639, 15172977, 25544379, 27643917, 35403613, 96095521, 106210839, 288286563, 672668647, 2018005941]

約数ペア:

[(1, 2018005941), (3, 672668647), (7, 288286563), (19, 106210839), (21, 96095521), (57, 35403613), (73, 27643917), (79, 25544379), (133, 15172977), (219, 9214639), (237, 8514793), (399, 5057659), (511, 3949131), (553, 3649197), (877, 2301033), (1387, 1454943), (1501, 1344441), (1533, 1316377), (1659, 1216399), (2631, 767011), (4161, 484981), (4503, 448147), (5767, 349923), (6139, 328719), (9709, 207849), (10507, 192063), (16663, 121107), (17301, 116641), (18417, 109573), (29127, 69283), (31521, 64021), (40369, 49989)]