19247886

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 49172760

約数和(自身を除く): 29924874

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 157, 278, 294, 314, 417, 441, 471, 834, 882, 942, 973, 1099, 1251, 1413, 1946, 2198, 2502, 2826, 2919, 3297, 5838, 6594, 6811, 7693, 8757, 9891, 13622, 15386, 17514, 19782, 20433, 21823, 23079, 40866, 43646, 46158, 61299, 65469, 69237, 122598, 130938, 138474, 152761, 196407, 305522, 392814, 458283, 916566, 1069327, 1374849, 2138654, 2749698, 3207981, 6415962, 9623943, 19247886]

約数ペア:

[(1, 19247886), (2, 9623943), (3, 6415962), (6, 3207981), (7, 2749698), (9, 2138654), (14, 1374849), (18, 1069327), (21, 916566), (42, 458283), (49, 392814), (63, 305522), (98, 196407), (126, 152761), (139, 138474), (147, 130938), (157, 122598), (278, 69237), (294, 65469), (314, 61299), (417, 46158), (441, 43646), (471, 40866), (834, 23079), (882, 21823), (942, 20433), (973, 19782), (1099, 17514), (1251, 15386), (1413, 13622), (1946, 9891), (2198, 8757), (2502, 7693), (2826, 6811), (2919, 6594), (3297, 5838)]