19155950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1201}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 40242960

約数和(自身を除く): 21087010

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1201, 1450, 1595, 2402, 3190, 6005, 7975, 12010, 13211, 15950, 26422, 30025, 34829, 60050, 66055, 69658, 132110, 174145, 330275, 348290, 383119, 660550, 766238, 870725, 1741450, 1915595, 3831190, 9577975, 19155950]

約数ペア:

[(1, 19155950), (2, 9577975), (5, 3831190), (10, 1915595), (11, 1741450), (22, 870725), (25, 766238), (29, 660550), (50, 383119), (55, 348290), (58, 330275), (110, 174145), (145, 132110), (275, 69658), (290, 66055), (319, 60050), (550, 34829), (638, 30025), (725, 26422), (1201, 15950), (1450, 13211), (1595, 12010), (2402, 7975), (3190, 6005)]