2019894142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 3715891200

約数和(自身を除く): 1695997058

約数列:

[1, 2, 7, 14, 19, 38, 83, 133, 166, 191, 266, 382, 479, 581, 958, 1162, 1337, 1577, 2674, 3154, 3353, 3629, 6706, 7258, 9101, 11039, 15853, 18202, 22078, 25403, 31706, 39757, 50806, 63707, 79514, 91489, 110971, 127414, 182978, 221942, 278299, 301207, 556598, 602414, 640423, 755383, 1280846, 1510766, 1738291, 2108449, 3476582, 4216898, 5287681, 7593587, 10575362, 12168037, 15187174, 24336074, 53155109, 106310218, 144278153, 288556306, 1009947071, 2019894142]

約数ペア:

[(1, 2019894142), (2, 1009947071), (7, 288556306), (14, 144278153), (19, 106310218), (38, 53155109), (83, 24336074), (133, 15187174), (166, 12168037), (191, 10575362), (266, 7593587), (382, 5287681), (479, 4216898), (581, 3476582), (958, 2108449), (1162, 1738291), (1337, 1510766), (1577, 1280846), (2674, 755383), (3154, 640423), (3353, 602414), (3629, 556598), (6706, 301207), (7258, 278299), (9101, 221942), (11039, 182978), (15853, 127414), (18202, 110971), (22078, 91489), (25403, 79514), (31706, 63707), (39757, 50806)]