19580491287

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{778951}}^1$

素因数の和:778993

約数の個数: 48

約数和(自身を含む): 35520211200

約数和(自身を除く): 15939719913

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 3591, 8379, 25137, 778951, 2336853, 5452657, 7010559, 14800069, 16357971, 21031677, 38168599, 44400207, 49073913, 103600483, 114505797, 133200621, 147221739, 310801449, 343517391, 399601863, 725203381, 932404347, 1030552173, 2175610143, 2797213041, 6526830429, 19580491287]

約数ペア:

[(1, 19580491287), (3, 6526830429), (7, 2797213041), (9, 2175610143), (19, 1030552173), (21, 932404347), (27, 725203381), (49, 399601863), (57, 343517391), (63, 310801449), (133, 147221739), (147, 133200621), (171, 114505797), (189, 103600483), (399, 49073913), (441, 44400207), (513, 38168599), (931, 21031677), (1197, 16357971), (1323, 14800069), (2793, 7010559), (3591, 5452657), (8379, 2336853), (25137, 778951)]