19871300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11689}}^1$

素因数の和:11720

約数の個数: 36

約数和(自身を含む): 45661140

約数和(自身を除く): 25789840

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11689, 23378, 46756, 58445, 116890, 198713, 233780, 292225, 397426, 584450, 794852, 993565, 1168900, 1987130, 3974260, 4967825, 9935650, 19871300]

約数ペア:

[(1, 19871300), (2, 9935650), (4, 4967825), (5, 3974260), (10, 1987130), (17, 1168900), (20, 993565), (25, 794852), (34, 584450), (50, 397426), (68, 292225), (85, 233780), (100, 198713), (170, 116890), (340, 58445), (425, 46756), (850, 23378), (1700, 11689)]