18907040884

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{811}}^1\times {\mathrm{37123}}^1$

素因数の和:38095

約数の個数: 24

約数和(自身を含む): 33340024928

約数和(自身を除く): 14432984044

約数列:

[1, 2, 4, 157, 314, 628, 811, 1622, 3244, 37123, 74246, 127327, 148492, 254654, 509308, 5828311, 11656622, 23313244, 30106753, 60213506, 120427012, 4726760221, 9453520442, 18907040884]

約数ペア:

[(1, 18907040884), (2, 9453520442), (4, 4726760221), (157, 120427012), (314, 60213506), (628, 30106753), (811, 23313244), (1622, 11656622), (3244, 5828311), (37123, 509308), (74246, 254654), (127327, 148492)]