18470296580

素因数分解:

$2^2\times 5^1\times {\mathrm{7177}}^1\times {\mathrm{128677}}^1$

素因数の和:135863

約数の個数: 24

約数和(自身を含む): 38793328728

約数和(自身を除く): 20323032148

約数列:

[1, 2, 4, 5, 10, 20, 7177, 14354, 28708, 35885, 71770, 128677, 143540, 257354, 514708, 643385, 1286770, 2573540, 923514829, 1847029658, 3694059316, 4617574145, 9235148290, 18470296580]

約数ペア:

[(1, 18470296580), (2, 9235148290), (4, 4617574145), (5, 3694059316), (10, 1847029658), (20, 923514829), (7177, 2573540), (14354, 1286770), (28708, 643385), (35885, 514708), (71770, 257354), (128677, 143540)]