18708996872

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 36088934400

約数和(自身を除く): 17379937528

約数列:

[1, 2, 4, 8, 89, 113, 127, 178, 226, 254, 356, 452, 508, 712, 904, 1016, 1831, 3662, 7324, 10057, 11303, 14351, 14648, 20114, 22606, 28702, 40228, 45212, 57404, 80456, 90424, 114808, 162959, 206903, 232537, 325918, 413806, 465074, 651836, 827612, 930148, 1277239, 1303672, 1655224, 1860296, 2554478, 5108956, 10217912, 18414367, 20695793, 26276681, 36828734, 41391586, 52553362, 73657468, 82783172, 105106724, 147314936, 165566344, 210213448, 2338624609, 4677249218, 9354498436, 18708996872]

約数ペア:

[(1, 18708996872), (2, 9354498436), (4, 4677249218), (8, 2338624609), (89, 210213448), (113, 165566344), (127, 147314936), (178, 105106724), (226, 82783172), (254, 73657468), (356, 52553362), (452, 41391586), (508, 36828734), (712, 26276681), (904, 20695793), (1016, 18414367), (1831, 10217912), (3662, 5108956), (7324, 2554478), (10057, 1860296), (11303, 1655224), (14351, 1303672), (14648, 1277239), (20114, 930148), (22606, 827612), (28702, 651836), (40228, 465074), (45212, 413806), (57404, 325918), (80456, 232537), (90424, 206903), (114808, 162959)]