18605692

素因数分解:

$2^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20101508

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 191, 196, 284, 343, 382, 497, 686, 764, 994, 1337, 1372, 1988, 2674, 3479, 5348, 6958, 9359, 13561, 13916, 18718, 24353, 27122, 37436, 48706, 54244, 65513, 94927, 97412, 131026, 189854, 262052, 379708, 664489, 1328978, 2657956, 4651423, 9302846, 18605692]

約数ペア:

[(1, 18605692), (2, 9302846), (4, 4651423), (7, 2657956), (14, 1328978), (28, 664489), (49, 379708), (71, 262052), (98, 189854), (142, 131026), (191, 97412), (196, 94927), (284, 65513), (343, 54244), (382, 48706), (497, 37436), (686, 27122), (764, 24353), (994, 18718), (1337, 13916), (1372, 13561), (1988, 9359), (2674, 6958), (3479, 5348)]