18359180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1847}}^1$

素因数の和:1934

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 26347636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1847, 1988, 2485, 3694, 4970, 7388, 9235, 9940, 12929, 18470, 25858, 36940, 51716, 64645, 129290, 131137, 258580, 262274, 524548, 655685, 917959, 1311370, 1835918, 2622740, 3671836, 4589795, 9179590, 18359180]

約数ペア:

[(1, 18359180), (2, 9179590), (4, 4589795), (5, 3671836), (7, 2622740), (10, 1835918), (14, 1311370), (20, 917959), (28, 655685), (35, 524548), (70, 262274), (71, 258580), (140, 131137), (142, 129290), (284, 64645), (355, 51716), (497, 36940), (710, 25858), (994, 18470), (1420, 12929), (1847, 9940), (1988, 9235), (2485, 7388), (3694, 4970)]