18596984

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7723}}^1$

素因数の和:7779

約数の個数: 32

約数和(自身を含む): 40782720

約数和(自身を除く): 22185736

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 7723, 15446, 30892, 54061, 61784, 108122, 216244, 332089, 432488, 664178, 1328356, 2324623, 2656712, 4649246, 9298492, 18596984]

約数ペア:

[(1, 18596984), (2, 9298492), (4, 4649246), (7, 2656712), (8, 2324623), (14, 1328356), (28, 664178), (43, 432488), (56, 332089), (86, 216244), (172, 108122), (301, 61784), (344, 54061), (602, 30892), (1204, 15446), (2408, 7723)]