19742418

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1183

約数の個数: 48

約数和(自身を含む): 45714240

約数和(自身を除く): 25971822

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1109, 1978, 2218, 2967, 3327, 5934, 6654, 8901, 9981, 17802, 19962, 25507, 47687, 51014, 76521, 95374, 143061, 153042, 229563, 286122, 429183, 459126, 858366, 1096801, 2193602, 3290403, 6580806, 9871209, 19742418]

約数ペア:

[(1, 19742418), (2, 9871209), (3, 6580806), (6, 3290403), (9, 2193602), (18, 1096801), (23, 858366), (43, 459126), (46, 429183), (69, 286122), (86, 229563), (129, 153042), (138, 143061), (207, 95374), (258, 76521), (387, 51014), (414, 47687), (774, 25507), (989, 19962), (1109, 17802), (1978, 9981), (2218, 8901), (2967, 6654), (3327, 5934)]