19770982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 20664218

約数列:

[1, 2, 7, 11, 14, 19, 22, 29, 38, 58, 77, 133, 154, 203, 209, 233, 266, 319, 406, 418, 466, 551, 638, 1102, 1463, 1631, 2233, 2563, 2926, 3262, 3857, 4427, 4466, 5126, 6061, 6757, 7714, 8854, 12122, 13514, 17941, 30989, 35882, 42427, 47299, 48697, 61978, 74327, 84854, 94598, 97394, 128383, 148654, 256766, 340879, 520289, 681758, 898681, 1040578, 1412213, 1797362, 2824426, 9885491, 19770982]

約数ペア:

[(1, 19770982), (2, 9885491), (7, 2824426), (11, 1797362), (14, 1412213), (19, 1040578), (22, 898681), (29, 681758), (38, 520289), (58, 340879), (77, 256766), (133, 148654), (154, 128383), (203, 97394), (209, 94598), (233, 84854), (266, 74327), (319, 61978), (406, 48697), (418, 47299), (466, 42427), (551, 35882), (638, 30989), (1102, 17941), (1463, 13514), (1631, 12122), (2233, 8854), (2563, 7714), (2926, 6757), (3262, 6061), (3857, 5126), (4427, 4466)]