38145220

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1913}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 80227224

約数和(自身を除く): 42082004

約数列:

[1, 2, 4, 5, 10, 20, 997, 1913, 1994, 3826, 3988, 4985, 7652, 9565, 9970, 19130, 19940, 38260, 1907261, 3814522, 7629044, 9536305, 19072610, 38145220]

約数ペア:

[(1, 38145220), (2, 19072610), (4, 9536305), (5, 7629044), (10, 3814522), (20, 1907261), (997, 38260), (1913, 19940), (1994, 19130), (3826, 9970), (3988, 9565), (4985, 7652)]