18542790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9811}}^1$

素因数の和:9834

約数の個数: 64

約数和(自身を含む): 56517120

約数和(自身を除く): 37974330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9811, 19622, 29433, 49055, 58866, 68677, 88299, 98110, 137354, 147165, 176598, 206031, 264897, 294330, 343385, 412062, 441495, 529794, 618093, 686770, 882990, 1030155, 1236186, 1324485, 1854279, 2060310, 2648970, 3090465, 3708558, 6180930, 9271395, 18542790]

約数ペア:

[(1, 18542790), (2, 9271395), (3, 6180930), (5, 3708558), (6, 3090465), (7, 2648970), (9, 2060310), (10, 1854279), (14, 1324485), (15, 1236186), (18, 1030155), (21, 882990), (27, 686770), (30, 618093), (35, 529794), (42, 441495), (45, 412062), (54, 343385), (63, 294330), (70, 264897), (90, 206031), (105, 176598), (126, 147165), (135, 137354), (189, 98110), (210, 88299), (270, 68677), (315, 58866), (378, 49055), (630, 29433), (945, 19622), (1890, 9811)]