19776350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 41153616

約数和(自身を除く): 21377266

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 877, 902, 1025, 1754, 2050, 2255, 4385, 4510, 8770, 9647, 11275, 19294, 21925, 22550, 35957, 43850, 48235, 71914, 96470, 179785, 241175, 359570, 395527, 482350, 791054, 898925, 1797850, 1977635, 3955270, 9888175, 19776350]

約数ペア:

[(1, 19776350), (2, 9888175), (5, 3955270), (10, 1977635), (11, 1797850), (22, 898925), (25, 791054), (41, 482350), (50, 395527), (55, 359570), (82, 241175), (110, 179785), (205, 96470), (275, 71914), (410, 48235), (451, 43850), (550, 35957), (877, 22550), (902, 21925), (1025, 19294), (1754, 11275), (2050, 9647), (2255, 8770), (4385, 4510)]