19934608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{883}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 41434848

約数和(自身を除く): 21500240

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 883, 1328, 1411, 1766, 2822, 3532, 5644, 7064, 11288, 14128, 15011, 22576, 30022, 60044, 73289, 120088, 146578, 240176, 293156, 586312, 1172624, 1245913, 2491826, 4983652, 9967304, 19934608]

約数ペア:

[(1, 19934608), (2, 9967304), (4, 4983652), (8, 2491826), (16, 1245913), (17, 1172624), (34, 586312), (68, 293156), (83, 240176), (136, 146578), (166, 120088), (272, 73289), (332, 60044), (664, 30022), (883, 22576), (1328, 15011), (1411, 14128), (1766, 11288), (2822, 7064), (3532, 5644)]