19205074

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^2$

素因数の和:358

約数の個数: 24

約数和(自身を含む): 33628608

約数和(自身を除く): 14423534

約数列:

[1, 2, 7, 14, 71, 139, 142, 278, 497, 973, 994, 1946, 9869, 19321, 19738, 38642, 69083, 135247, 138166, 270494, 1371791, 2743582, 9602537, 19205074]

約数ペア:

[(1, 19205074), (2, 9602537), (7, 2743582), (14, 1371791), (71, 270494), (139, 138166), (142, 135247), (278, 69083), (497, 38642), (973, 19738), (994, 19321), (1946, 9869)]