18258642

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 43211520

約数和(自身を除く): 24952878

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 61, 69, 122, 138, 183, 207, 241, 366, 414, 482, 549, 621, 723, 1098, 1242, 1403, 1446, 1647, 2169, 2806, 3294, 4209, 4338, 5543, 6507, 8418, 11086, 12627, 13014, 14701, 16629, 25254, 29402, 33258, 37881, 44103, 49887, 75762, 88206, 99774, 132309, 149661, 264618, 299322, 338123, 396927, 676246, 793854, 1014369, 2028738, 3043107, 6086214, 9129321, 18258642]

約数ペア:

[(1, 18258642), (2, 9129321), (3, 6086214), (6, 3043107), (9, 2028738), (18, 1014369), (23, 793854), (27, 676246), (46, 396927), (54, 338123), (61, 299322), (69, 264618), (122, 149661), (138, 132309), (183, 99774), (207, 88206), (241, 75762), (366, 49887), (414, 44103), (482, 37881), (549, 33258), (621, 29402), (723, 25254), (1098, 16629), (1242, 14701), (1403, 13014), (1446, 12627), (1647, 11086), (2169, 8418), (2806, 6507), (3294, 5543), (4209, 4338)]