19101778864

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1\times {\mathrm{1217}}^1$

素因数の和:1982

約数の個数: 80

約数和(自身を含む): 42558401088

約数和(自身を除く): 23456622224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 397, 706, 794, 1217, 1412, 1588, 2434, 2471, 2779, 2824, 3176, 4868, 4942, 5558, 5648, 6352, 8519, 9736, 9884, 11116, 17038, 19472, 19768, 22232, 34076, 39536, 44464, 68152, 136304, 140141, 280282, 429601, 483149, 560564, 859202, 966298, 980987, 1121128, 1718404, 1932596, 1961974, 2242256, 3007207, 3382043, 3436808, 3865192, 3923948, 6014414, 6764086, 6873616, 7730384, 7847896, 12028828, 13528172, 15695792, 24057656, 27056344, 48115312, 54112688, 170551597, 341103194, 682206388, 1193861179, 1364412776, 2387722358, 2728825552, 4775444716, 9550889432, 19101778864]

約数ペア:

[(1, 19101778864), (2, 9550889432), (4, 4775444716), (7, 2728825552), (8, 2387722358), (14, 1364412776), (16, 1193861179), (28, 682206388), (56, 341103194), (112, 170551597), (353, 54112688), (397, 48115312), (706, 27056344), (794, 24057656), (1217, 15695792), (1412, 13528172), (1588, 12028828), (2434, 7847896), (2471, 7730384), (2779, 6873616), (2824, 6764086), (3176, 6014414), (4868, 3923948), (4942, 3865192), (5558, 3436808), (5648, 3382043), (6352, 3007207), (8519, 2242256), (9736, 1961974), (9884, 1932596), (11116, 1718404), (17038, 1121128), (19472, 980987), (19768, 966298), (22232, 859202), (34076, 560564), (39536, 483149), (44464, 429601), (68152, 280282), (136304, 140141)]