19298290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 39213720

約数和(自身を除く): 19915430

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 205, 242, 389, 410, 451, 605, 778, 902, 1210, 1945, 2255, 3890, 4279, 4510, 4961, 8558, 9922, 15949, 21395, 24805, 31898, 42790, 47069, 49610, 79745, 94138, 159490, 175439, 235345, 350878, 470690, 877195, 1754390, 1929829, 3859658, 9649145, 19298290]

約数ペア:

[(1, 19298290), (2, 9649145), (5, 3859658), (10, 1929829), (11, 1754390), (22, 877195), (41, 470690), (55, 350878), (82, 235345), (110, 175439), (121, 159490), (205, 94138), (242, 79745), (389, 49610), (410, 47069), (451, 42790), (605, 31898), (778, 24805), (902, 21395), (1210, 15949), (1945, 9922), (2255, 8558), (3890, 4961), (4279, 4510)]