18359120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 46663680

約数和(自身を除く): 28304560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 139, 208, 254, 260, 278, 508, 520, 556, 635, 695, 1016, 1040, 1112, 1270, 1390, 1651, 1807, 2032, 2224, 2540, 2780, 3302, 3614, 5080, 5560, 6604, 7228, 8255, 9035, 10160, 11120, 13208, 14456, 16510, 17653, 18070, 26416, 28912, 33020, 35306, 36140, 66040, 70612, 72280, 88265, 132080, 141224, 144560, 176530, 229489, 282448, 353060, 458978, 706120, 917956, 1147445, 1412240, 1835912, 2294890, 3671824, 4589780, 9179560, 18359120]

約数ペア:

[(1, 18359120), (2, 9179560), (4, 4589780), (5, 3671824), (8, 2294890), (10, 1835912), (13, 1412240), (16, 1147445), (20, 917956), (26, 706120), (40, 458978), (52, 353060), (65, 282448), (80, 229489), (104, 176530), (127, 144560), (130, 141224), (139, 132080), (208, 88265), (254, 72280), (260, 70612), (278, 66040), (508, 36140), (520, 35306), (556, 33020), (635, 28912), (695, 26416), (1016, 18070), (1040, 17653), (1112, 16510), (1270, 14456), (1390, 13208), (1651, 11120), (1807, 10160), (2032, 9035), (2224, 8255), (2540, 7228), (2780, 6604), (3302, 5560), (3614, 5080)]