19891088

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 48282624

約数和(自身を除く): 28391536

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 56, 62, 68, 112, 119, 124, 136, 217, 238, 248, 272, 337, 434, 476, 496, 527, 674, 868, 952, 1054, 1348, 1736, 1904, 2108, 2359, 2696, 3472, 3689, 4216, 4718, 5392, 5729, 7378, 8432, 9436, 10447, 11458, 14756, 18872, 20894, 22916, 29512, 37744, 40103, 41788, 45832, 59024, 73129, 80206, 83576, 91664, 146258, 160412, 167152, 177599, 292516, 320824, 355198, 585032, 641648, 710396, 1170064, 1243193, 1420792, 2486386, 2841584, 4972772, 9945544, 19891088]

約数ペア:

[(1, 19891088), (2, 9945544), (4, 4972772), (7, 2841584), (8, 2486386), (14, 1420792), (16, 1243193), (17, 1170064), (28, 710396), (31, 641648), (34, 585032), (56, 355198), (62, 320824), (68, 292516), (112, 177599), (119, 167152), (124, 160412), (136, 146258), (217, 91664), (238, 83576), (248, 80206), (272, 73129), (337, 59024), (434, 45832), (476, 41788), (496, 40103), (527, 37744), (674, 29512), (868, 22916), (952, 20894), (1054, 18872), (1348, 14756), (1736, 11458), (1904, 10447), (2108, 9436), (2359, 8432), (2696, 7378), (3472, 5729), (3689, 5392), (4216, 4718)]