2018700819

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 3228508800

約数和(自身を除く): 1209807981

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 157, 257, 327, 459, 471, 771, 981, 1413, 1853, 2313, 2669, 2943, 4239, 4369, 5559, 6939, 8007, 13107, 16677, 17113, 24021, 28013, 39321, 40349, 50031, 51339, 72063, 84039, 117963, 121047, 154017, 252117, 290921, 363141, 462051, 476221, 685933, 756351, 872763, 1089423, 1428663, 2057799, 2618289, 4285989, 4398041, 6173397, 7854867, 12857967, 13194123, 18520191, 39582369, 74766697, 118747107, 224300091, 672900273, 2018700819]

約数ペア:

[(1, 2018700819), (3, 672900273), (9, 224300091), (17, 118747107), (27, 74766697), (51, 39582369), (109, 18520191), (153, 13194123), (157, 12857967), (257, 7854867), (327, 6173397), (459, 4398041), (471, 4285989), (771, 2618289), (981, 2057799), (1413, 1428663), (1853, 1089423), (2313, 872763), (2669, 756351), (2943, 685933), (4239, 476221), (4369, 462051), (5559, 363141), (6939, 290921), (8007, 252117), (13107, 154017), (16677, 121047), (17113, 117963), (24021, 84039), (28013, 72063), (39321, 51339), (40349, 50031)]