18920016

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{1583}}^1$

素因数の和:1680

約数の個数: 60

約数和(自身を含む): 53621568

約数和(自身を除く): 34701552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1583, 1992, 2988, 3166, 3984, 4749, 5976, 6332, 9498, 11952, 12664, 14247, 18996, 25328, 28494, 37992, 56988, 75984, 113976, 131389, 227952, 262778, 394167, 525556, 788334, 1051112, 1182501, 1576668, 2102224, 2365002, 3153336, 4730004, 6306672, 9460008, 18920016]

約数ペア:

[(1, 18920016), (2, 9460008), (3, 6306672), (4, 4730004), (6, 3153336), (8, 2365002), (9, 2102224), (12, 1576668), (16, 1182501), (18, 1051112), (24, 788334), (36, 525556), (48, 394167), (72, 262778), (83, 227952), (144, 131389), (166, 113976), (249, 75984), (332, 56988), (498, 37992), (664, 28494), (747, 25328), (996, 18996), (1328, 14247), (1494, 12664), (1583, 11952), (1992, 9498), (2988, 6332), (3166, 5976), (3984, 4749)]