18538892990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97573121}}^1$

素因数の和:97573147

約数の個数: 16

約数和(自身を含む): 35126323920

約数和(自身を除く): 16587430930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 97573121, 195146242, 487865605, 975731210, 1853889299, 3707778598, 9269446495, 18538892990]

約数ペア:

[(1, 18538892990), (2, 9269446495), (5, 3707778598), (10, 1853889299), (19, 975731210), (38, 487865605), (95, 195146242), (190, 97573121)]