19663313872

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1256

約数の個数: 80

約数和(自身を含む): 39260268432

約数和(自身を除く): 19596954560

約数列:

[1, 2, 4, 8, 16, 73, 97, 146, 194, 197, 292, 388, 394, 584, 776, 788, 881, 1168, 1552, 1576, 1762, 3152, 3524, 7048, 7081, 14096, 14162, 14381, 19109, 28324, 28762, 38218, 56648, 57524, 64313, 76436, 85457, 113296, 115048, 128626, 152872, 170914, 173557, 230096, 257252, 305744, 341828, 347114, 514504, 683656, 694228, 1029008, 1367312, 1388456, 1394957, 2776912, 2789914, 5579828, 6238361, 11159656, 12476722, 12669661, 16835029, 22319312, 24953444, 25339322, 33670058, 49906888, 50678644, 67340116, 99813776, 101357288, 134680232, 202714576, 269360464, 1228957117, 2457914234, 4915828468, 9831656936, 19663313872]

約数ペア:

[(1, 19663313872), (2, 9831656936), (4, 4915828468), (8, 2457914234), (16, 1228957117), (73, 269360464), (97, 202714576), (146, 134680232), (194, 101357288), (197, 99813776), (292, 67340116), (388, 50678644), (394, 49906888), (584, 33670058), (776, 25339322), (788, 24953444), (881, 22319312), (1168, 16835029), (1552, 12669661), (1576, 12476722), (1762, 11159656), (3152, 6238361), (3524, 5579828), (7048, 2789914), (7081, 2776912), (14096, 1394957), (14162, 1388456), (14381, 1367312), (19109, 1029008), (28324, 694228), (28762, 683656), (38218, 514504), (56648, 347114), (57524, 341828), (64313, 305744), (76436, 257252), (85457, 230096), (113296, 173557), (115048, 170914), (128626, 152872)]