19477908

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 52896480

約数和(自身を除く): 33418572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 691, 783, 972, 1044, 1382, 1566, 2073, 2349, 2764, 3132, 4146, 4698, 6219, 7047, 8292, 9396, 12438, 14094, 18657, 20039, 24876, 28188, 37314, 40078, 55971, 60117, 74628, 80156, 111942, 120234, 167913, 180351, 223884, 240468, 335826, 360702, 541053, 671652, 721404, 1082106, 1623159, 2164212, 3246318, 4869477, 6492636, 9738954, 19477908]

約数ペア:

[(1, 19477908), (2, 9738954), (3, 6492636), (4, 4869477), (6, 3246318), (9, 2164212), (12, 1623159), (18, 1082106), (27, 721404), (29, 671652), (36, 541053), (54, 360702), (58, 335826), (81, 240468), (87, 223884), (108, 180351), (116, 167913), (162, 120234), (174, 111942), (243, 80156), (261, 74628), (324, 60117), (348, 55971), (486, 40078), (522, 37314), (691, 28188), (783, 24876), (972, 20039), (1044, 18657), (1382, 14094), (1566, 12438), (2073, 9396), (2349, 8292), (2764, 7047), (3132, 6219), (4146, 4698)]