18016460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11699}}^1$

素因数の和:11726

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 29157940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11699, 23398, 46796, 58495, 81893, 116990, 128689, 163786, 233980, 257378, 327572, 409465, 514756, 643445, 818930, 900823, 1286890, 1637860, 1801646, 2573780, 3603292, 4504115, 9008230, 18016460]

約数ペア:

[(1, 18016460), (2, 9008230), (4, 4504115), (5, 3603292), (7, 2573780), (10, 1801646), (11, 1637860), (14, 1286890), (20, 900823), (22, 818930), (28, 643445), (35, 514756), (44, 409465), (55, 327572), (70, 257378), (77, 233980), (110, 163786), (140, 128689), (154, 116990), (220, 81893), (308, 58495), (385, 46796), (770, 23398), (1540, 11699)]