18824724

素因数分解:

$2^2\times 3^5\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 50083488

約数和(自身を除く): 31258764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 181, 214, 243, 321, 324, 362, 428, 486, 543, 642, 724, 963, 972, 1086, 1284, 1629, 1926, 2172, 2889, 3258, 3852, 4887, 5778, 6516, 8667, 9774, 11556, 14661, 17334, 19367, 19548, 26001, 29322, 34668, 38734, 43983, 52002, 58101, 58644, 77468, 87966, 104004, 116202, 174303, 175932, 232404, 348606, 522909, 697212, 1045818, 1568727, 2091636, 3137454, 4706181, 6274908, 9412362, 18824724]

約数ペア:

[(1, 18824724), (2, 9412362), (3, 6274908), (4, 4706181), (6, 3137454), (9, 2091636), (12, 1568727), (18, 1045818), (27, 697212), (36, 522909), (54, 348606), (81, 232404), (107, 175932), (108, 174303), (162, 116202), (181, 104004), (214, 87966), (243, 77468), (321, 58644), (324, 58101), (362, 52002), (428, 43983), (486, 38734), (543, 34668), (642, 29322), (724, 26001), (963, 19548), (972, 19367), (1086, 17334), (1284, 14661), (1629, 11556), (1926, 9774), (2172, 8667), (2889, 6516), (3258, 5778), (3852, 4887)]