19878184

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{4751}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 37350720

約数和(自身を除く): 17472536

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 4751, 9502, 19004, 38008, 2484773, 4969546, 9939092, 19878184]

約数ペア:

[(1, 19878184), (2, 9939092), (4, 4969546), (8, 2484773), (523, 38008), (1046, 19004), (2092, 9502), (4184, 4751)]