18103946

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 35354880

約数和(自身を除く): 17250934

約数列:

[1, 2, 7, 14, 17, 29, 34, 43, 58, 61, 86, 119, 122, 203, 238, 301, 406, 427, 493, 602, 731, 854, 986, 1037, 1247, 1462, 1769, 2074, 2494, 2623, 3451, 3538, 5117, 5246, 6902, 7259, 8729, 10234, 12383, 14518, 17458, 18361, 21199, 24766, 30073, 36722, 42398, 44591, 60146, 76067, 89182, 148393, 152134, 210511, 296786, 312137, 421022, 532469, 624274, 1064938, 1293139, 2586278, 9051973, 18103946]

約数ペア:

[(1, 18103946), (2, 9051973), (7, 2586278), (14, 1293139), (17, 1064938), (29, 624274), (34, 532469), (43, 421022), (58, 312137), (61, 296786), (86, 210511), (119, 152134), (122, 148393), (203, 89182), (238, 76067), (301, 60146), (406, 44591), (427, 42398), (493, 36722), (602, 30073), (731, 24766), (854, 21199), (986, 18361), (1037, 17458), (1247, 14518), (1462, 12383), (1769, 10234), (2074, 8729), (2494, 7259), (2623, 6902), (3451, 5246), (3538, 5117)]