19862478

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47977}}^1$

素因数の和:48008

約数の個数: 24

約数和(自身を含む): 44907408

約数和(自身を除く): 25044930

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 47977, 95954, 143931, 287862, 431793, 863586, 1103471, 2206942, 3310413, 6620826, 9931239, 19862478]

約数ペア:

[(1, 19862478), (2, 9931239), (3, 6620826), (6, 3310413), (9, 2206942), (18, 1103471), (23, 863586), (46, 431793), (69, 287862), (138, 143931), (207, 95954), (414, 47977)]