19418300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 27245380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 127, 139, 220, 254, 275, 278, 508, 550, 556, 635, 695, 1100, 1270, 1390, 1397, 1529, 2540, 2780, 2794, 3058, 3175, 3475, 5588, 6116, 6350, 6950, 6985, 7645, 12700, 13900, 13970, 15290, 17653, 27940, 30580, 34925, 35306, 38225, 69850, 70612, 76450, 88265, 139700, 152900, 176530, 194183, 353060, 388366, 441325, 776732, 882650, 970915, 1765300, 1941830, 3883660, 4854575, 9709150, 19418300]

約数ペア:

[(1, 19418300), (2, 9709150), (4, 4854575), (5, 3883660), (10, 1941830), (11, 1765300), (20, 970915), (22, 882650), (25, 776732), (44, 441325), (50, 388366), (55, 353060), (100, 194183), (110, 176530), (127, 152900), (139, 139700), (220, 88265), (254, 76450), (275, 70612), (278, 69850), (508, 38225), (550, 35306), (556, 34925), (635, 30580), (695, 27940), (1100, 17653), (1270, 15290), (1390, 13970), (1397, 13900), (1529, 12700), (2540, 7645), (2780, 6985), (2794, 6950), (3058, 6350), (3175, 6116), (3475, 5588)]