19164820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30911}}^1$

素因数の和:30951

約数の個数: 24

約数和(自身を含む): 41545728

約数和(自身を除く): 22380908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30911, 61822, 123644, 154555, 309110, 618220, 958241, 1916482, 3832964, 4791205, 9582410, 19164820]

約数ペア:

[(1, 19164820), (2, 9582410), (4, 4791205), (5, 3832964), (10, 1916482), (20, 958241), (31, 618220), (62, 309110), (124, 154555), (155, 123644), (310, 61822), (620, 30911)]