19794772478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 33130944000

約数和(自身を除く): 13336171522

約数列:

[1, 2, 13, 26, 43, 86, 149, 298, 331, 359, 559, 662, 718, 1118, 1937, 3874, 4303, 4667, 6407, 8606, 9334, 12814, 14233, 15437, 28466, 30874, 49319, 53491, 83291, 98638, 106982, 118829, 166582, 185029, 200681, 237658, 370058, 401362, 641147, 695383, 1282294, 1390766, 1544777, 2120717, 2300113, 3089554, 4241434, 4600226, 5109647, 10219294, 17705521, 27569321, 29901469, 35411042, 55138642, 59802938, 66425411, 132850822, 230171773, 460343546, 761337403, 1522674806, 9897386239, 19794772478]

約数ペア:

[(1, 19794772478), (2, 9897386239), (13, 1522674806), (26, 761337403), (43, 460343546), (86, 230171773), (149, 132850822), (298, 66425411), (331, 59802938), (359, 55138642), (559, 35411042), (662, 29901469), (718, 27569321), (1118, 17705521), (1937, 10219294), (3874, 5109647), (4303, 4600226), (4667, 4241434), (6407, 3089554), (8606, 2300113), (9334, 2120717), (12814, 1544777), (14233, 1390766), (15437, 1282294), (28466, 695383), (30874, 641147), (49319, 401362), (53491, 370058), (83291, 237658), (98638, 200681), (106982, 185029), (118829, 166582)]