19892574

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 28894626

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 659, 702, 774, 1118, 1161, 1318, 1677, 1977, 2322, 3354, 3954, 5031, 5931, 8567, 10062, 11862, 15093, 17134, 17793, 25701, 28337, 30186, 35586, 51402, 56674, 77103, 85011, 154206, 170022, 231309, 255033, 368381, 462618, 510066, 736762, 765099, 1105143, 1530198, 2210286, 3315429, 6630858, 9946287, 19892574]

約数ペア:

[(1, 19892574), (2, 9946287), (3, 6630858), (6, 3315429), (9, 2210286), (13, 1530198), (18, 1105143), (26, 765099), (27, 736762), (39, 510066), (43, 462618), (54, 368381), (78, 255033), (86, 231309), (117, 170022), (129, 154206), (234, 85011), (258, 77103), (351, 56674), (387, 51402), (559, 35586), (659, 30186), (702, 28337), (774, 25701), (1118, 17793), (1161, 17134), (1318, 15093), (1677, 11862), (1977, 10062), (2322, 8567), (3354, 5931), (3954, 5031)]