19286806

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 19904234

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 53, 77, 106, 119, 139, 154, 187, 238, 278, 371, 374, 583, 742, 901, 973, 1166, 1309, 1529, 1802, 1946, 2363, 2618, 3058, 4081, 4726, 6307, 7367, 8162, 9911, 10703, 12614, 14734, 16541, 19822, 21406, 25993, 33082, 51569, 51986, 69377, 81037, 103138, 125239, 138754, 162074, 181951, 250478, 363902, 567259, 876673, 1134518, 1377629, 1753346, 2755258, 9643403, 19286806]

約数ペア:

[(1, 19286806), (2, 9643403), (7, 2755258), (11, 1753346), (14, 1377629), (17, 1134518), (22, 876673), (34, 567259), (53, 363902), (77, 250478), (106, 181951), (119, 162074), (139, 138754), (154, 125239), (187, 103138), (238, 81037), (278, 69377), (371, 51986), (374, 51569), (583, 33082), (742, 25993), (901, 21406), (973, 19822), (1166, 16541), (1309, 14734), (1529, 12614), (1802, 10703), (1946, 9911), (2363, 8162), (2618, 7367), (3058, 6307), (4081, 4726)]