18444836984

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{917471}}^1$

素因数の和:917843

約数の個数: 32

約数和(自身を含む): 39634790400

約数和(自身を除く): 21189953416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1436, 2513, 2872, 5026, 10052, 20104, 917471, 1834942, 3669884, 6422297, 7339768, 12844594, 25689188, 51378376, 329372089, 658744178, 1317488356, 2305604623, 2634976712, 4611209246, 9222418492, 18444836984]

約数ペア:

[(1, 18444836984), (2, 9222418492), (4, 4611209246), (7, 2634976712), (8, 2305604623), (14, 1317488356), (28, 658744178), (56, 329372089), (359, 51378376), (718, 25689188), (1436, 12844594), (2513, 7339768), (2872, 6422297), (5026, 3669884), (10052, 1834942), (20104, 917471)]