18157986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 50816640

約数和(自身を除く): 32658654

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 121, 126, 154, 189, 198, 231, 242, 297, 363, 378, 397, 462, 594, 693, 726, 794, 847, 1089, 1191, 1386, 1694, 2079, 2178, 2382, 2541, 2779, 3267, 3573, 4158, 4367, 5082, 5558, 6534, 7146, 7623, 8337, 8734, 10719, 13101, 15246, 16674, 21438, 22869, 25011, 26202, 30569, 39303, 45738, 48037, 50022, 61138, 75033, 78606, 91707, 96074, 117909, 144111, 150066, 183414, 235818, 275121, 288222, 336259, 432333, 550242, 672518, 825363, 864666, 1008777, 1296999, 1650726, 2017554, 2593998, 3026331, 6052662, 9078993, 18157986]

約数ペア:

[(1, 18157986), (2, 9078993), (3, 6052662), (6, 3026331), (7, 2593998), (9, 2017554), (11, 1650726), (14, 1296999), (18, 1008777), (21, 864666), (22, 825363), (27, 672518), (33, 550242), (42, 432333), (54, 336259), (63, 288222), (66, 275121), (77, 235818), (99, 183414), (121, 150066), (126, 144111), (154, 117909), (189, 96074), (198, 91707), (231, 78606), (242, 75033), (297, 61138), (363, 50022), (378, 48037), (397, 45738), (462, 39303), (594, 30569), (693, 26202), (726, 25011), (794, 22869), (847, 21438), (1089, 16674), (1191, 15246), (1386, 13101), (1694, 10719), (2079, 8734), (2178, 8337), (2382, 7623), (2541, 7146), (2779, 6534), (3267, 5558), (3573, 5082), (4158, 4367)]