18207035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 28968192

約数和(自身を除く): 10761157

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 131, 133, 209, 361, 385, 655, 665, 917, 1045, 1441, 1463, 1805, 2489, 2527, 3971, 4585, 7205, 7315, 10087, 12445, 12635, 17423, 19855, 27379, 27797, 47291, 50435, 87115, 136895, 138985, 191653, 236455, 331037, 520201, 958265, 1655185, 2601005, 3641407, 18207035]

約数ペア:

[(1, 18207035), (5, 3641407), (7, 2601005), (11, 1655185), (19, 958265), (35, 520201), (55, 331037), (77, 236455), (95, 191653), (131, 138985), (133, 136895), (209, 87115), (361, 50435), (385, 47291), (655, 27797), (665, 27379), (917, 19855), (1045, 17423), (1441, 12635), (1463, 12445), (1805, 10087), (2489, 7315), (2527, 7205), (3971, 4585)]