19370450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 40309920

約数和(自身を除く): 20939470

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 205, 275, 410, 451, 550, 859, 902, 1025, 1718, 2050, 2255, 4295, 4510, 8590, 9449, 11275, 18898, 21475, 22550, 35219, 42950, 47245, 70438, 94490, 176095, 236225, 352190, 387409, 472450, 774818, 880475, 1760950, 1937045, 3874090, 9685225, 19370450]

約数ペア:

[(1, 19370450), (2, 9685225), (5, 3874090), (10, 1937045), (11, 1760950), (22, 880475), (25, 774818), (41, 472450), (50, 387409), (55, 352190), (82, 236225), (110, 176095), (205, 94490), (275, 70438), (410, 47245), (451, 42950), (550, 35219), (859, 22550), (902, 21475), (1025, 18898), (1718, 11275), (2050, 9449), (2255, 8590), (4295, 4510)]