19975452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{599}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 53491200

約数和(自身を除く): 33515748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 599, 794, 1191, 1198, 1588, 1797, 2382, 2396, 2779, 3594, 4193, 4764, 5558, 7188, 8337, 8386, 11116, 12579, 16674, 16772, 25158, 33348, 50316, 237803, 475606, 713409, 951212, 1426818, 1664621, 2853636, 3329242, 4993863, 6658484, 9987726, 19975452]

約数ペア:

[(1, 19975452), (2, 9987726), (3, 6658484), (4, 4993863), (6, 3329242), (7, 2853636), (12, 1664621), (14, 1426818), (21, 951212), (28, 713409), (42, 475606), (84, 237803), (397, 50316), (599, 33348), (794, 25158), (1191, 16772), (1198, 16674), (1588, 12579), (1797, 11116), (2382, 8386), (2396, 8337), (2779, 7188), (3594, 5558), (4193, 4764)]