18682235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 29393280

約数和(自身を除く): 10711045

約数列:

[1, 5, 11, 13, 17, 29, 53, 55, 65, 85, 143, 145, 187, 221, 265, 319, 377, 493, 583, 689, 715, 901, 935, 1105, 1537, 1595, 1885, 2431, 2465, 2915, 3445, 4147, 4505, 5423, 6409, 7579, 7685, 9911, 11713, 12155, 16907, 19981, 20735, 26129, 27115, 32045, 37895, 49555, 58565, 70499, 84535, 99905, 128843, 130645, 219791, 287419, 339677, 352495, 644215, 1098955, 1437095, 1698385, 3736447, 18682235]

約数ペア:

[(1, 18682235), (5, 3736447), (11, 1698385), (13, 1437095), (17, 1098955), (29, 644215), (53, 352495), (55, 339677), (65, 287419), (85, 219791), (143, 130645), (145, 128843), (187, 99905), (221, 84535), (265, 70499), (319, 58565), (377, 49555), (493, 37895), (583, 32045), (689, 27115), (715, 26129), (901, 20735), (935, 19981), (1105, 16907), (1537, 12155), (1595, 11713), (1885, 9911), (2431, 7685), (2465, 7579), (2915, 6409), (3445, 5423), (4147, 4505)]