18804136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3847}}^1$

素因数の和:3913

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 19983704

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3847, 4888, 7694, 15388, 30776, 50011, 100022, 180809, 200044, 361618, 400088, 723236, 1446472, 2350517, 4701034, 9402068, 18804136]

約数ペア:

[(1, 18804136), (2, 9402068), (4, 4701034), (8, 2350517), (13, 1446472), (26, 723236), (47, 400088), (52, 361618), (94, 200044), (104, 180809), (188, 100022), (376, 50011), (611, 30776), (1222, 15388), (2444, 7694), (3847, 4888)]