19932678

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{137}}^2$

素因数の和:341

約数の個数: 36

約数和(自身を含む): 44242380

約数和(自身を除く): 24309702

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 137, 177, 274, 354, 411, 531, 822, 1062, 1233, 2466, 8083, 16166, 18769, 24249, 37538, 48498, 56307, 72747, 112614, 145494, 168921, 337842, 1107371, 2214742, 3322113, 6644226, 9966339, 19932678]

約数ペア:

[(1, 19932678), (2, 9966339), (3, 6644226), (6, 3322113), (9, 2214742), (18, 1107371), (59, 337842), (118, 168921), (137, 145494), (177, 112614), (274, 72747), (354, 56307), (411, 48498), (531, 37538), (822, 24249), (1062, 18769), (1233, 16166), (2466, 8083)]