17741972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 16630828

約数列:

[1, 2, 4, 19, 38, 43, 61, 76, 86, 89, 122, 172, 178, 244, 356, 817, 1159, 1634, 1691, 2318, 2623, 3268, 3382, 3827, 4636, 5246, 5429, 6764, 7654, 10492, 10858, 15308, 21716, 49837, 72713, 99674, 103151, 145426, 199348, 206302, 233447, 290852, 412604, 466894, 933788, 4435493, 8870986, 17741972]

約数ペア:

[(1, 17741972), (2, 8870986), (4, 4435493), (19, 933788), (38, 466894), (43, 412604), (61, 290852), (76, 233447), (86, 206302), (89, 199348), (122, 145426), (172, 103151), (178, 99674), (244, 72713), (356, 49837), (817, 21716), (1159, 15308), (1634, 10858), (1691, 10492), (2318, 7654), (2623, 6764), (3268, 5429), (3382, 5246), (3827, 4636)]