18119598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 43253760

約数和(自身を除く): 25134162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 79, 86, 127, 129, 158, 237, 254, 258, 301, 381, 474, 553, 602, 762, 889, 903, 1106, 1659, 1778, 1806, 2667, 3318, 3397, 5334, 5461, 6794, 10033, 10191, 10922, 16383, 20066, 20382, 23779, 30099, 32766, 38227, 47558, 60198, 70231, 71337, 76454, 114681, 140462, 142674, 210693, 229362, 421386, 431419, 862838, 1294257, 2588514, 3019933, 6039866, 9059799, 18119598]

約数ペア:

[(1, 18119598), (2, 9059799), (3, 6039866), (6, 3019933), (7, 2588514), (14, 1294257), (21, 862838), (42, 431419), (43, 421386), (79, 229362), (86, 210693), (127, 142674), (129, 140462), (158, 114681), (237, 76454), (254, 71337), (258, 70231), (301, 60198), (381, 47558), (474, 38227), (553, 32766), (602, 30099), (762, 23779), (889, 20382), (903, 20066), (1106, 16383), (1659, 10922), (1778, 10191), (1806, 10033), (2667, 6794), (3318, 5461), (3397, 5334)]