19387276

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 37272256

約数和(自身を除く): 17884980

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 527, 541, 578, 1054, 1082, 1156, 2108, 2164, 8959, 9197, 16771, 17918, 18394, 33542, 35836, 36788, 67084, 156349, 285107, 312698, 570214, 625396, 1140428, 4846819, 9693638, 19387276]

約数ペア:

[(1, 19387276), (2, 9693638), (4, 4846819), (17, 1140428), (31, 625396), (34, 570214), (62, 312698), (68, 285107), (124, 156349), (289, 67084), (527, 36788), (541, 35836), (578, 33542), (1054, 18394), (1082, 17918), (1156, 16771), (2108, 9197), (2164, 8959)]