2191569136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{7209109}}^1$

素因数の和:7209136

約数の個数: 20

約数和(自身を含む): 4469648200

約数和(自身を除く): 2278079064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 7209109, 14418218, 28836436, 57672872, 115345744, 136973071, 273946142, 547892284, 1095784568, 2191569136]

約数ペア:

[(1, 2191569136), (2, 1095784568), (4, 547892284), (8, 273946142), (16, 136973071), (19, 115345744), (38, 57672872), (76, 28836436), (152, 14418218), (304, 7209109)]