19092020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 42810768

約数和(自身を除く): 23718748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 241, 340, 466, 482, 932, 964, 1165, 1205, 2330, 2410, 3961, 4097, 4660, 4820, 7922, 8194, 15844, 16388, 19805, 20485, 39610, 40970, 56153, 79220, 81940, 112306, 224612, 280765, 561530, 954601, 1123060, 1909202, 3818404, 4773005, 9546010, 19092020]

約数ペア:

[(1, 19092020), (2, 9546010), (4, 4773005), (5, 3818404), (10, 1909202), (17, 1123060), (20, 954601), (34, 561530), (68, 280765), (85, 224612), (170, 112306), (233, 81940), (241, 79220), (340, 56153), (466, 40970), (482, 39610), (932, 20485), (964, 19805), (1165, 16388), (1205, 15844), (2330, 8194), (2410, 7922), (3961, 4820), (4097, 4660)]