19044700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 54

約数和(自身を含む): 42721224

約数和(自身を除く): 23676524

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 103, 172, 206, 215, 412, 430, 515, 860, 1030, 1075, 1849, 2060, 2150, 2575, 3698, 4300, 4429, 5150, 7396, 8858, 9245, 10300, 17716, 18490, 22145, 36980, 44290, 46225, 88580, 92450, 110725, 184900, 190447, 221450, 380894, 442900, 761788, 952235, 1904470, 3808940, 4761175, 9522350, 19044700]

約数ペア:

[(1, 19044700), (2, 9522350), (4, 4761175), (5, 3808940), (10, 1904470), (20, 952235), (25, 761788), (43, 442900), (50, 380894), (86, 221450), (100, 190447), (103, 184900), (172, 110725), (206, 92450), (215, 88580), (412, 46225), (430, 44290), (515, 36980), (860, 22145), (1030, 18490), (1075, 17716), (1849, 10300), (2060, 9245), (2150, 8858), (2575, 7396), (3698, 5150), (4300, 4429)]