19990468

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 35675640

約数和(自身を除く): 15685172

約数列:

[1, 2, 4, 89, 178, 233, 241, 356, 466, 482, 932, 964, 20737, 21449, 41474, 42898, 56153, 82948, 85796, 112306, 224612, 4997617, 9995234, 19990468]

約数ペア:

[(1, 19990468), (2, 9995234), (4, 4997617), (89, 224612), (178, 112306), (233, 85796), (241, 82948), (356, 56153), (466, 42898), (482, 41474), (932, 21449), (964, 20737)]