18601992

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 53352000

約数和(自身を除く): 34750008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 59, 72, 87, 116, 118, 151, 174, 177, 232, 236, 261, 302, 348, 354, 453, 472, 522, 531, 604, 696, 708, 906, 1044, 1062, 1208, 1359, 1416, 1711, 1812, 2088, 2124, 2718, 3422, 3624, 4248, 4379, 5133, 5436, 6844, 8758, 8909, 10266, 10872, 13137, 13688, 15399, 17516, 17818, 20532, 26274, 26727, 30798, 35032, 35636, 39411, 41064, 52548, 53454, 61596, 71272, 78822, 80181, 105096, 106908, 123192, 157644, 160362, 213816, 258361, 315288, 320724, 516722, 641448, 775083, 1033444, 1550166, 2066888, 2325249, 3100332, 4650498, 6200664, 9300996, 18601992]

約数ペア:

[(1, 18601992), (2, 9300996), (3, 6200664), (4, 4650498), (6, 3100332), (8, 2325249), (9, 2066888), (12, 1550166), (18, 1033444), (24, 775083), (29, 641448), (36, 516722), (58, 320724), (59, 315288), (72, 258361), (87, 213816), (116, 160362), (118, 157644), (151, 123192), (174, 106908), (177, 105096), (232, 80181), (236, 78822), (261, 71272), (302, 61596), (348, 53454), (354, 52548), (453, 41064), (472, 39411), (522, 35636), (531, 35032), (604, 30798), (696, 26727), (708, 26274), (906, 20532), (1044, 17818), (1062, 17516), (1208, 15399), (1359, 13688), (1416, 13137), (1711, 10872), (1812, 10266), (2088, 8909), (2124, 8758), (2718, 6844), (3422, 5436), (3624, 5133), (4248, 4379)]