19431170020

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3870751}}^1$

素因数の和:3871011

約数の個数: 24

約数和(自身を含む): 40968039168

約数和(自身を除く): 21536869148

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 3870751, 7741502, 15483004, 19353755, 38707510, 77415020, 971558501, 1943117002, 3886234004, 4857792505, 9715585010, 19431170020]

約数ペア:

[(1, 19431170020), (2, 9715585010), (4, 4857792505), (5, 3886234004), (10, 1943117002), (20, 971558501), (251, 77415020), (502, 38707510), (1004, 19353755), (1255, 15483004), (2510, 7741502), (5020, 3870751)]