18897444

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 51629760

約数和(自身を除く): 32732316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 787, 828, 1044, 1334, 1574, 2001, 2361, 2668, 3148, 4002, 4722, 6003, 7083, 8004, 9444, 12006, 14166, 18101, 22823, 24012, 28332, 36202, 45646, 54303, 68469, 72404, 91292, 108606, 136938, 162909, 205407, 217212, 273876, 325818, 410814, 524929, 651636, 821628, 1049858, 1574787, 2099716, 3149574, 4724361, 6299148, 9448722, 18897444]

約数ペア:

[(1, 18897444), (2, 9448722), (3, 6299148), (4, 4724361), (6, 3149574), (9, 2099716), (12, 1574787), (18, 1049858), (23, 821628), (29, 651636), (36, 524929), (46, 410814), (58, 325818), (69, 273876), (87, 217212), (92, 205407), (116, 162909), (138, 136938), (174, 108606), (207, 91292), (261, 72404), (276, 68469), (348, 54303), (414, 45646), (522, 36202), (667, 28332), (787, 24012), (828, 22823), (1044, 18101), (1334, 14166), (1574, 12006), (2001, 9444), (2361, 8004), (2668, 7083), (3148, 6003), (4002, 4722)]